amass/qtpromise
1
0
Fork 0
mirror of https://github.com/simonbrunel/qtpromise.git synced 2024-11-21 18:24:29 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

Use clang-format for code style consistency

Browse Source 
Based on the WebKit preset and following 'most' of the Qt guidelines, except a few rules that work better for promise continuation lambdas. Requires clang-format 11.
This commit is contained in:
Simon Brunel 2020-03-21 14:23:40 +01:00
parent b99e468c84
commit d43657fbd5
40 changed files with 1534 additions and 1223 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

66
.clang-format Normal file
View File

@ -0,0 +1,66 @@
---
Language: Cpp
Standard: Cpp11
BasedOnStyle: WebKit
AlignAfterOpenBracket: true
AlignTrailingComments: true
AllowAllArgumentsOnNextLine: false
AllowShortFunctionsOnASingleLine: Inline
AllowShortLambdasOnASingleLine: Empty
AlwaysBreakTemplateDeclarations: Yes
BinPackArguments: false
BinPackParameters: false
BraceWrapping:
AfterCaseLabel: false
AfterClass: true
AfterControlStatement: false
AfterEnum: false
AfterFunction: true
AfterNamespace: false
AfterStruct: true
AfterUnion: false
AfterExternBlock: false
BeforeCatch: false
BeforeElse: false
IndentBraces: false
SplitEmptyFunction: false
SplitEmptyRecord: false
SplitEmptyNamespace: false
BreakBeforeBinaryOperators: NonAssignment
BreakBeforeBraces: Custom
BreakInheritanceList: BeforeComma
BreakConstructorInitializers: BeforeColon
ColumnLimit: 100
CommentPragmas: "^!|^:"
ConstructorInitializerAllOnOneLineOrOnePerLine: true
ConstructorInitializerIndentWidth: 4
Cpp11BracedListStyle: true
FixNamespaceComments: true
ForEachMacros:
- BOOST_FOREACH
- foreach
- forever
- Q_FOREACH
- Q_FOREVER
- QBENCHMARK
- QBENCHMARK_ONCE
IncludeBlocks: Regroup
IncludeCategories:
- Regex: '^<Q.*>'
Priority: 2
SortPriority: 0
- Regex: '^<.*\.h>'
Priority: 3
SortPriority: 0
- Regex: '^<.*>'
Priority: 4
SortPriority: 0
- Regex: '.*'
Priority: 1
SortPriority: 0
IndentPPDirectives: AfterHash
NamespaceIndentation: None
PenaltyReturnTypeOnItsOwnLine: 10
SpaceAfterTemplateKeyword: false
SpaceBeforeCpp11BracedList: false
...

91
src/qtpromise/qpromise.h
View File

@ -19,27 +19,36 @@
namespace QtPromise {
template <typename T>
template<typename T>
class QPromiseBase
{
public:
using Type = T;
template <typename F, typename std::enable_if<QtPromisePrivate::ArgsOf<F>::count == 1, int>::type = 0>
template<typename F,
typename std::enable_if<QtPromisePrivate::ArgsOf<F>::count == 1, int>::type = 0>
inline QPromiseBase(F resolver);
template <typename F, typename std::enable_if<QtPromisePrivate::ArgsOf<F>::count == 2, int>::type = 0>
template<typename F,
typename std::enable_if<QtPromisePrivate::ArgsOf<F>::count == 2, int>::type = 0>
inline QPromiseBase(F resolver);
QPromiseBase(const QPromiseBase<T>& other): m_d{other.m_d} {}
QPromiseBase(const QPromise<T>& other): m_d{other.m_d} {}
QPromiseBase(const QPromiseBase<T>& other) : m_d{other.m_d} { }
QPromiseBase(const QPromise<T>& other) : m_d{other.m_d} { }
QPromiseBase(QPromiseBase<T>&& other) Q_DECL_NOEXCEPT { swap(other); }
virtual ~QPromiseBase() { }
QPromiseBase<T>& operator=(const QPromiseBase<T>& other) { m_d = other.m_d; return *this;}
QPromiseBase<T>& operator=(const QPromiseBase<T>& other)
{
m_d = other.m_d;
return *this;
}
QPromiseBase<T>& operator=(QPromiseBase<T>&& other) Q_DECL_NOEXCEPT
{ QPromiseBase<T>(std::move(other)).swap(*this); return *this; }
{
QPromiseBase<T>(std::move(other)).swap(*this);
return *this;
}
bool operator==(const QPromiseBase<T>& other) const { return (m_d == other.m_d); }
bool operator!=(const QPromiseBase<T>& other) const { return (m_d != other.m_d); }
@ -50,31 +59,31 @@ public:
bool isRejected() const { return m_d->isRejected(); }
bool isPending() const { return m_d->isPending(); }
template <typename TFulfilled, typename TRejected>
template<typename TFulfilled, typename TRejected>
inline typename QtPromisePrivate::PromiseHandler<T, TFulfilled>::Promise
then(const TFulfilled& fulfilled, const TRejected& rejected) const;
template <typename TFulfilled>
template<typename TFulfilled>
inline typename QtPromisePrivate::PromiseHandler<T, TFulfilled>::Promise
then(TFulfilled&& fulfilled) const;
template <typename TRejected>
template<typename TRejected>
inline typename QtPromisePrivate::PromiseHandler<T, std::nullptr_t>::Promise
fail(TRejected&& rejected) const;
template <typename THandler>
template<typename THandler>
inline QPromise<T> finally(THandler handler) const;
template <typename THandler>
template<typename THandler>
inline QPromise<T> tap(THandler handler) const;
template <typename THandler>
template<typename THandler>
inline QPromise<T> tapFail(THandler handler) const;
template <typename E = QPromiseTimeoutException>
template<typename E = QPromiseTimeoutException>
inline QPromise<T> timeout(int msec, E&& error = E{}) const;
template <typename E = QPromiseTimeoutException>
template<typename E = QPromiseTimeoutException>
inline QPromise<T> timeout(std::chrono::milliseconds msec, E&& error = E{}) const;
inline QPromise<T> delay(int msec) const;
@ -83,7 +92,7 @@ public:
inline QPromise<T> wait() const;
public: // STATIC
template <typename E>
template<typename E>
inline static QPromise<T> reject(E&& error);
protected:
@ -94,39 +103,35 @@ protected:
QExplicitlySharedDataPointer<QtPromisePrivate::PromiseData<T>> m_d;
};
template <typename T>
template<typename T>
class QPromise : public QPromiseBase<T>
{
public:
template <typename F>
QPromise(F&& resolver): QPromiseBase<T>(std::forward<F>(resolver)) { }
template<typename F>
QPromise(F&& resolver) : QPromiseBase<T>(std::forward<F>(resolver))
{ }
template <typename Functor>
inline QPromise<T>
each(Functor fn);
template<typename Functor>
inline QPromise<T> each(Functor fn);
template <typename Functor>
inline QPromise<T>
filter(Functor fn);
template<typename Functor>
inline QPromise<T> filter(Functor fn);
template <typename Functor>
inline typename QtPromisePrivate::PromiseMapper<T, Functor>::PromiseType
map(Functor fn);
template<typename Functor>
inline typename QtPromisePrivate::PromiseMapper<T, Functor>::PromiseType map(Functor fn);
template <typename Functor, typename Input>
inline typename QtPromisePrivate::PromiseDeduce<Input>::Type
reduce(Functor fn, Input initial);
template<typename Functor, typename Input>
inline typename QtPromisePrivate::PromiseDeduce<Input>::Type reduce(Functor fn, Input initial);
template <typename Functor, typename U = T>
template<typename Functor, typename U = T>
inline typename QtPromisePrivate::PromiseDeduce<typename U::value_type>::Type
reduce(Functor fn);
public: // STATIC
// DEPRECATED (remove at version 1)
template <template <typename, typename...> class Sequence = QVector, typename ...Args>
Q_DECL_DEPRECATED_X("Use QtPromise::all instead") static inline QPromise<QVector<T>>
all(const Sequence<QPromise<T>, Args...>& promises);
template<template<typename, typename...> class Sequence = QVector, typename... Args>
Q_DECL_DEPRECATED_X("Use QtPromise::all instead")
static inline QPromise<QVector<T>> all(const Sequence<QPromise<T>, Args...>& promises);
inline static QPromise<T> resolve(const T& value);
inline static QPromise<T> resolve(T&& value);
@ -135,19 +140,19 @@ private:
friend class QPromiseBase<T>;
};
template <>
template<>
class QPromise<void> : public QPromiseBase<void>
{
public:
template <typename F>
QPromise(F&& resolver): QPromiseBase<void>(std::forward<F>(resolver)) { }
template<typename F>
QPromise(F&& resolver) : QPromiseBase<void>(std::forward<F>(resolver))
{ }
public: // STATIC
// DEPRECATED (remove at version 1)
template <template <typename, typename...> class Sequence = QVector, typename ...Args>
Q_DECL_DEPRECATED_X("Use QtPromise::all instead") static inline QPromise<void>
all(const Sequence<QPromise<void>, Args...>& promises);
template<template<typename, typename...> class Sequence = QVector, typename... Args>
Q_DECL_DEPRECATED_X("Use QtPromise::all instead")
static inline QPromise<void> all(const Sequence<QPromise<void>, Args...>& promises);
inline static QPromise<void> resolve();

98
src/qtpromise/qpromise.inl
View File

@ -14,10 +14,9 @@
namespace QtPromise {
template <typename T>
template <typename F, typename std::enable_if<QtPromisePrivate::ArgsOf<F>::count == 1, int>::type>
inline QPromiseBase<T>::QPromiseBase(F callback)
: m_d{new QtPromisePrivate::PromiseData<T>{}}
template<typename T>
template<typename F, typename std::enable_if<QtPromisePrivate::ArgsOf<F>::count == 1, int>::type>
inline QPromiseBase<T>::QPromiseBase(F callback) : m_d{new QtPromisePrivate::PromiseData<T>{}}
{
QtPromisePrivate::PromiseResolver<T> resolver{*this};
@ -28,10 +27,9 @@ inline QPromiseBase<T>::QPromiseBase(F callback)
}
}
template <typename T>
template <typename F, typename std::enable_if<QtPromisePrivate::ArgsOf<F>::count == 2, int>::type>
inline QPromiseBase<T>::QPromiseBase(F callback)
: m_d{new QtPromisePrivate::PromiseData<T>{}}
template<typename T>
template<typename F, typename std::enable_if<QtPromisePrivate::ArgsOf<F>::count == 2, int>::type>
inline QPromiseBase<T>::QPromiseBase(F callback) : m_d{new QtPromisePrivate::PromiseData<T>{}}
{
QtPromisePrivate::PromiseResolver<T> resolver{*this};
@ -42,16 +40,15 @@ inline QPromiseBase<T>::QPromiseBase(F callback)
}
}
template <typename T>
template <typename TFulfilled, typename TRejected>
template<typename T>
template<typename TFulfilled, typename TRejected>
inline typename QtPromisePrivate::PromiseHandler<T, TFulfilled>::Promise
QPromiseBase<T>::then(const TFulfilled& fulfilled, const TRejected& rejected) const
{
using namespace QtPromisePrivate;
using PromiseType = typename PromiseHandler<T, TFulfilled>::Promise;
PromiseType next([&](
const QPromiseResolve<typename PromiseType::Type>& resolve,
PromiseType next([&](const QPromiseResolve<typename PromiseType::Type>& resolve,
const QPromiseReject<typename PromiseType::Type>& reject) {
m_d->addHandler(PromiseHandler<T, TFulfilled>::create(fulfilled, resolve, reject));
m_d->addCatcher(PromiseCatcher<T, TRejected>::create(rejected, resolve, reject));
@ -64,24 +61,24 @@ QPromiseBase<T>::then(const TFulfilled& fulfilled, const TRejected& rejected) co
return next;
}
template <typename T>
template <typename TFulfilled>
template<typename T>
template<typename TFulfilled>
inline typename QtPromisePrivate::PromiseHandler<T, TFulfilled>::Promise
QPromiseBase<T>::then(TFulfilled&& fulfilled) const
{
return then(std::forward<TFulfilled>(fulfilled), nullptr);
}
template <typename T>
template <typename TRejected>
template<typename T>
template<typename TRejected>
inline typename QtPromisePrivate::PromiseHandler<T, std::nullptr_t>::Promise
QPromiseBase<T>::fail(TRejected&& rejected) const
{
return then(nullptr, std::forward<TRejected>(rejected));
}
template <typename T>
template <typename THandler>
template<typename T>
template<typename THandler>
inline QPromise<T> QPromiseBase<T>::finally(THandler handler) const
{
QPromise<T> p = *this;
@ -90,8 +87,8 @@ inline QPromise<T> QPromiseBase<T>::finally(THandler handler) const
});
}
template <typename T>
template <typename THandler>
template<typename T>
template<typename THandler>
inline QPromise<T> QPromiseBase<T>::tap(THandler handler) const
{
QPromise<T> p = *this;
@ -100,25 +97,22 @@ inline QPromise<T> QPromiseBase<T>::tap(THandler handler) const
});
}
template <typename T>
template <typename THandler>
template<typename T>
template<typename THandler>
inline QPromise<T> QPromiseBase<T>::tapFail(THandler handler) const
{
QPromise<T> p = *this;
return p.then([](){}, handler).then([=]() {
return p.then([]() {}, handler).then([=]() {
return p;
});
}
template <typename T>
template <typename E>
template<typename T>
template<typename E>
inline QPromise<T> QPromiseBase<T>::timeout(int msec, E&& error) const
{
QPromise<T> p = *this;
return QPromise<T>{[&](
const QPromiseResolve<T>& resolve,
const QPromiseReject<T>& reject) {
return QPromise<T>{[&](const QPromiseResolve<T>& resolve, const QPromiseReject<T>& reject) {
QTimer::singleShot(msec, [=]() {
// we don't need to verify the current promise state, reject()
// takes care of checking if the promise is already resolved,
@ -130,14 +124,14 @@ inline QPromise<T> QPromiseBase<T>::timeout(int msec, E&& error) const
}};
}
template <typename T>
template <typename E>
template<typename T>
template<typename E>
inline QPromise<T> QPromiseBase<T>::timeout(std::chrono::milliseconds msec, E&& error) const
{
return timeout(static_cast<int>(msec.count()), std::forward<E>(error));
}
template <typename T>
template<typename T>
inline QPromise<T> QPromiseBase<T>::delay(int msec) const
{
return tap([=]() {
@ -153,7 +147,7 @@ inline QPromise<T> QPromiseBase<T>::delay(std::chrono::milliseconds msec) const
return delay(static_cast<int>(msec.count()));
}
template <typename T>
template<typename T>
inline QPromise<T> QPromiseBase<T>::wait() const
{
// @TODO wait timeout + global timeout
@ -165,8 +159,8 @@ inline QPromise<T> QPromiseBase<T>::wait() const
return *this;
}
template <typename T>
template <typename E>
template<typename T>
template<typename E>
inline QPromise<T> QPromiseBase<T>::reject(E&& error)
{
return QPromise<T>{[&](const QPromiseResolve<T>&, const QPromiseReject<T>& reject) {
@ -174,8 +168,8 @@ inline QPromise<T> QPromiseBase<T>::reject(E&& error)
}};
}
template <typename T>
template <typename Functor>
template<typename T>
template<typename Functor>
inline QPromise<T> QPromise<T>::each(Functor fn)
{
return this->tap([=](const T& values) {
@ -183,9 +177,7 @@ inline QPromise<T> QPromise<T>::each(Functor fn)
std::vector<QPromise<void>> promises;
for (const auto& v : values) {
promises.push_back(
QtPromise::attempt(fn, v, i)
.then([]() {
promises.push_back(QtPromise::attempt(fn, v, i).then([]() {
// Cast to void in case fn returns a non promise value.
// TODO remove when implicit cast is implemented.
}));
@ -197,8 +189,8 @@ inline QPromise<T> QPromise<T>::each(Functor fn)
});
}
template <typename T>
template <typename Functor>
template<typename T>
template<typename Functor>
inline QPromise<T> QPromise<T>::filter(Functor fn)
{
return this->then([=](const T& values) {
@ -206,8 +198,8 @@ inline QPromise<T> QPromise<T>::filter(Functor fn)
});
}
template <typename T>
template <typename Functor>
template<typename T>
template<typename Functor>
inline typename QtPromisePrivate::PromiseMapper<T, Functor>::PromiseType
QPromise<T>::map(Functor fn)
{
@ -216,8 +208,8 @@ QPromise<T>::map(Functor fn)
});
}
template <typename T>
template <typename Functor, typename Input>
template<typename T>
template<typename Functor, typename Input>
inline typename QtPromisePrivate::PromiseDeduce<Input>::Type
QPromise<T>::reduce(Functor fn, Input initial)
{
@ -226,8 +218,8 @@ QPromise<T>::reduce(Functor fn, Input initial)
});
}
template <typename T>
template <typename Functor, typename U>
template<typename T>
template<typename Functor, typename U>
inline typename QtPromisePrivate::PromiseDeduce<typename U::value_type>::Type
QPromise<T>::reduce(Functor fn)
{
@ -236,14 +228,14 @@ QPromise<T>::reduce(Functor fn)
});
}
template <typename T>
template <template <typename, typename...> class Sequence, typename ...Args>
template<typename T>
template<template<typename, typename...> class Sequence, typename... Args>
inline QPromise<QVector<T>> QPromise<T>::all(const Sequence<QPromise<T>, Args...>& promises)
{
return QtPromise::all(promises);
}
template <typename T>
template<typename T>
inline QPromise<T> QPromise<T>::resolve(const T& value)
{
return QPromise<T>{[&](const QPromiseResolve<T>& resolve) {
@ -251,7 +243,7 @@ inline QPromise<T> QPromise<T>::resolve(const T& value)
}};
}
template <typename T>
template<typename T>
inline QPromise<T> QPromise<T>::resolve(T&& value)
{
return QPromise<T>{[&](const QPromiseResolve<T>& resolve) {
@ -259,7 +251,7 @@ inline QPromise<T> QPromise<T>::resolve(T&& value)
}};
}
template <template <typename, typename...> class Sequence, typename ...Args>
template<template<typename, typename...> class Sequence, typename... Args>
inline QPromise<void> QPromise<void>::all(const Sequence<QPromise<void>, Args...>& promises)
{
return QtPromise::all(promises);

218
src/qtpromise/qpromise_p.h
View File

@ -21,13 +21,13 @@
namespace QtPromise {
template <typename T>
template<typename T>
class QPromise;
template <typename T>
template<typename T>
class QPromiseResolve;
template <typename T>
template<typename T>
class QPromiseReject;
} // namespace QtPromise
@ -35,7 +35,7 @@ class QPromiseReject;
namespace QtPromisePrivate {
// https://stackoverflow.com/a/21653558
template <typename F>
template<typename F>
static void qtpromise_defer(F&& f, const QPointer<QThread>& thread)
{
using FType = typename std::decay<F>::type;
@ -69,14 +69,14 @@ static void qtpromise_defer(F&& f, const QPointer<QThread>& thread)
QCoreApplication::postEvent(target, new Event{std::forward<F>(f)});
}
template <typename F>
template<typename F>
static void qtpromise_defer(F&& f)
{
Q_ASSERT(QThread::currentThread());
qtpromise_defer(std::forward<F>(f), QThread::currentThread());
}
template <typename T>
template<typename T>
class PromiseValue
{
public:
@ -93,7 +93,7 @@ private:
class PromiseError
{
public:
template <typename T>
template<typename T>
PromiseError(const T& value)
{
try {
@ -113,104 +113,98 @@ private:
std::exception_ptr m_data;
};
template <typename T>
template<typename T>
struct PromiseDeduce
{
using Type = QtPromise::QPromise<T>;
};
template <typename T>
struct PromiseDeduce<T&>
: public PromiseDeduce<T>
template<typename T>
struct PromiseDeduce<T&> : public PromiseDeduce<T>
{ };
template <typename T>
struct PromiseDeduce<const T>
: public PromiseDeduce<T>
template<typename T>
struct PromiseDeduce<const T> : public PromiseDeduce<T>
{ };
template <typename T>
struct PromiseDeduce<const volatile T>
: public PromiseDeduce<T>
template<typename T>
struct PromiseDeduce<const volatile T> : public PromiseDeduce<T>
{ };
template <typename T>
struct PromiseDeduce<QtPromise::QPromise<T>>
: public PromiseDeduce<T>
template<typename T>
struct PromiseDeduce<QtPromise::QPromise<T>> : public PromiseDeduce<T>
{ };
template <typename Functor, typename... Args>
template<typename Functor, typename... Args>
struct PromiseFunctor
{
using ResultType = typename std::result_of<Functor(Args...)>::type;
using PromiseType = typename PromiseDeduce<ResultType>::Type;
};
template <typename T>
template<typename T>
struct PromiseFulfill
{
template <typename V, typename TResolve, typename TReject>
template<typename V, typename TResolve, typename TReject>
static void call(V&& value, const TResolve& resolve, const TReject&)
{
resolve(std::forward<V>(value));
}
};
template <typename T>
template<typename T>
struct PromiseFulfill<QtPromise::QPromise<T>>
{
template <typename TResolve, typename TReject>
static void call(
const QtPromise::QPromise<T>& promise,
const TResolve& resolve,
const TReject& reject)
template<typename TResolve, typename TReject>
static void
call(const QtPromise::QPromise<T>& promise, const TResolve& resolve, const TReject& reject)
{
if (promise.isFulfilled()) {
resolve(promise.m_d->value());
} else if (promise.isRejected()) {
reject(promise.m_d->error());
} else {
promise.then([=]() {
promise.then(
[=]() {
resolve(promise.m_d->value());
}, [=]() { // catch all
},
[=]() { // catch all
reject(promise.m_d->error());
});
}
}
};
template <>
template<>
struct PromiseFulfill<QtPromise::QPromise<void>>
{
template <typename TPromise, typename TResolve, typename TReject>
static void call(
const TPromise& promise,
const TResolve& resolve,
const TReject& reject)
template<typename TPromise, typename TResolve, typename TReject>
static void call(const TPromise& promise, const TResolve& resolve, const TReject& reject)
{
if (promise.isFulfilled()) {
resolve();
} else if (promise.isRejected()) {
reject(promise.m_d->error());
} else {
promise.then([=]() {
promise.then(
[=]() {
resolve();
}, [=]() { // catch all
},
[=]() { // catch all
reject(promise.m_d->error());
});
}
}
};
template <typename Result>
template<typename Result>
struct PromiseDispatch
{
template <typename Resolve, typename Reject, typename Functor, typename... Args>
template<typename Resolve, typename Reject, typename Functor, typename... Args>
static void call(const Resolve& resolve, const Reject& reject, Functor fn, Args&&... args)
{
try {
PromiseFulfill<Unqualified<Result>>::call(
fn(std::forward<Args>(args)...),
PromiseFulfill<Unqualified<Result>>::call(fn(std::forward<Args>(args)...),
resolve,
reject);
} catch (...) {
@ -219,10 +213,10 @@ struct PromiseDispatch
}
};
template <>
template<>
struct PromiseDispatch<void>
{
template <typename Resolve, typename Reject, typename Functor, typename... Args>
template<typename Resolve, typename Reject, typename Functor, typename... Args>
static void call(const Resolve& resolve, const Reject& reject, Functor fn, Args&&... args)
{
try {
@ -234,17 +228,15 @@ struct PromiseDispatch<void>
}
};
template <typename T, typename THandler, typename TArg = typename ArgsOf<THandler>::first>
template<typename T, typename THandler, typename TArg = typename ArgsOf<THandler>::first>
struct PromiseHandler
{
using ResType = typename std::result_of<THandler(T)>::type;
using Promise = typename PromiseDeduce<ResType>::Type;
template <typename TResolve, typename TReject>
static std::function<void(const T&)> create(
const THandler& handler,
const TResolve& resolve,
const TReject& reject)
template<typename TResolve, typename TReject>
static std::function<void(const T&)>
create(const THandler& handler, const TResolve& resolve, const TReject& reject)
{
return [=](const T& value) {
PromiseDispatch<ResType>::call(resolve, reject, handler, value);
@ -252,17 +244,15 @@ struct PromiseHandler
}
};
template <typename T, typename THandler>
template<typename T, typename THandler>
struct PromiseHandler<T, THandler, void>
{
using ResType = typename std::result_of<THandler()>::type;
using Promise = typename PromiseDeduce<ResType>::Type;
template <typename TResolve, typename TReject>
static std::function<void(const T&)> create(
const THandler& handler,
const TResolve& resolve,
const TReject& reject)
template<typename TResolve, typename TReject>
static std::function<void(const T&)>
create(const THandler& handler, const TResolve& resolve, const TReject& reject)
{
return [=](const T&) {
PromiseDispatch<ResType>::call(resolve, reject, handler);
@ -270,17 +260,15 @@ struct PromiseHandler<T, THandler, void>
}
};
template <typename THandler>
template<typename THandler>
struct PromiseHandler<void, THandler, void>
{
using ResType = typename std::result_of<THandler()>::type;
using Promise = typename PromiseDeduce<ResType>::Type;
template <typename TResolve, typename TReject>
static std::function<void()> create(
const THandler& handler,
const TResolve& resolve,
const TReject& reject)
template<typename TResolve, typename TReject>
static std::function<void()>
create(const THandler& handler, const TResolve& resolve, const TReject& reject)
{
return [=]() {
PromiseDispatch<ResType>::call(resolve, reject, handler);
@ -288,16 +276,14 @@ struct PromiseHandler<void, THandler, void>
}
};
template <typename T>
template<typename T>
struct PromiseHandler<T, std::nullptr_t, void>
{
using Promise = QtPromise::QPromise<T>;
template <typename TResolve, typename TReject>
static std::function<void(const T&)> create(
std::nullptr_t,
const TResolve& resolve,
const TReject& reject)
template<typename TResolve, typename TReject>
static std::function<void(const T&)>
create(std::nullptr_t, const TResolve& resolve, const TReject& reject)
{
return [=](const T& value) {
// 2.2.7.3. If onFulfilled is not a function and promise1 is fulfilled,
@ -307,16 +293,13 @@ struct PromiseHandler<T, std::nullptr_t, void>
}
};
template <>
template<>
struct PromiseHandler<void, std::nullptr_t, void>
{
using Promise = QtPromise::QPromise<void>;
template <typename TResolve, typename TReject>
static std::function<void()> create(
std::nullptr_t,
const TResolve& resolve,
const TReject&)
template<typename TResolve, typename TReject>
static std::function<void()> create(std::nullptr_t, const TResolve& resolve, const TReject&)
{
return [=]() {
// 2.2.7.3. If onFulfilled is not a function and promise1 is fulfilled,
@ -326,16 +309,14 @@ struct PromiseHandler<void, std::nullptr_t, void>
}
};
template <typename T, typename THandler, typename TArg = typename ArgsOf<THandler>::first>
template<typename T, typename THandler, typename TArg = typename ArgsOf<THandler>::first>
struct PromiseCatcher
{
using ResType = typename std::result_of<THandler(TArg)>::type;
template <typename TResolve, typename TReject>
static std::function<void(const PromiseError&)> create(
const THandler& handler,
const TResolve& resolve,
const TReject& reject)
template<typename TResolve, typename TReject>
static std::function<void(const PromiseError&)>
create(const THandler& handler, const TResolve& resolve, const TReject& reject)
{
return [=](const PromiseError& error) {
try {
@ -349,16 +330,14 @@ struct PromiseCatcher
}
};
template <typename T, typename THandler>
template<typename T, typename THandler>
struct PromiseCatcher<T, THandler, void>
{
using ResType = typename std::result_of<THandler()>::type;
template <typename TResolve, typename TReject>
static std::function<void(const PromiseError&)> create(
const THandler& handler,
const TResolve& resolve,
const TReject& reject)
template<typename TResolve, typename TReject>
static std::function<void(const PromiseError&)>
create(const THandler& handler, const TResolve& resolve, const TReject& reject)
{
return [=](const PromiseError& error) {
try {
@ -370,14 +349,12 @@ struct PromiseCatcher<T, THandler, void>
}
};
template <typename T>
template<typename T>
struct PromiseCatcher<T, std::nullptr_t, void>
{
template <typename TResolve, typename TReject>
static std::function<void(const PromiseError&)> create(
std::nullptr_t,
const TResolve&,
const TReject& reject)
template<typename TResolve, typename TReject>
static std::function<void(const PromiseError&)>
create(std::nullptr_t, const TResolve&, const TReject& reject)
{
return [=](const PromiseError& error) {
// 2.2.7.4. If onRejected is not a function and promise1 is rejected,
@ -387,11 +364,11 @@ struct PromiseCatcher<T, std::nullptr_t, void>
}
};
template <typename T, typename F>
template<typename T, typename F>
struct PromiseMapper
{ };
template <typename T, typename F, template <typename, typename...> class Sequence, typename ...Args>
template<typename T, typename F, template<typename, typename...> class Sequence, typename... Args>
struct PromiseMapper<Sequence<T, Args...>, F>
{
using ReturnType = typename std::result_of<F(T, int)>::type;
@ -399,26 +376,20 @@ struct PromiseMapper<Sequence<T, Args...>, F>
using PromiseType = QtPromise::QPromise<ResultType>;
};
template <typename T> class PromiseData;
template<typename T>
class PromiseData;
template <typename T, typename F>
template<typename T, typename F>
class PromiseDataBase : public QSharedData
{
public:
using Handler = std::pair<QPointer<QThread>, std::function<F>>;
using Catcher = std::pair<QPointer<QThread>, std::function<void(const PromiseError&)>>;
virtual ~PromiseDataBase() {}
virtual ~PromiseDataBase() { }
bool isFulfilled() const
{
return !isPending() && m_error.isNull();
}
bool isRejected() const
{
return !isPending() && !m_error.isNull();
}
bool isFulfilled() const { return !isPending() && m_error.isNull(); }
bool isRejected() const { return !isPending() && !m_error.isNull(); }
bool isPending() const
{
@ -438,7 +409,7 @@ public:
m_catchers.append({QThread::currentThread(), std::move(catcher)});
}
template <typename E>
template<typename E>
void reject(E&& error)
{
Q_ASSERT(isPending());
@ -479,11 +450,13 @@ public:
PromiseError error = m_error;
Q_ASSERT(!error.isNull());
for (const auto& catcher: catchers) {
for (const auto& catcher : catchers) {
const auto& fn = catcher.second;
qtpromise_defer([=]() {
qtpromise_defer(
[=]() {
fn(error);
}, catcher.first);
},
catcher.first);
}
}
@ -506,13 +479,13 @@ private:
PromiseError m_error;
};
template <typename T>
template<typename T>
class PromiseData : public PromiseDataBase<T, void(const T&)>
{
using Handler = typename PromiseDataBase<T, void(const T&)>::Handler;
public:
template <typename V>
template<typename V>
void resolve(V&& value)
{
Q_ASSERT(this->isPending());
@ -532,11 +505,13 @@ public:
PromiseValue<T> value = m_value;
Q_ASSERT(!value.isNull());
for (const auto& handler: handlers) {
for (const auto& handler : handlers) {
const auto& fn = handler.second;
qtpromise_defer([=]() {
qtpromise_defer(
[=]() {
fn(value.data());
}, handler.first);
},
handler.first);
}
}
@ -544,21 +519,18 @@ private:
PromiseValue<T> m_value;
};
template <>
template<>
class PromiseData<void> : public PromiseDataBase<void, void()>
{
using Handler = PromiseDataBase<void, void()>::Handler;
public:
void resolve()
{
setSettled();
}
void resolve() { setSettled(); }
protected:
void notify(const QVector<Handler>& handlers) Q_DECL_OVERRIDE
{
for (const auto& handler: handlers) {
for (const auto& handler : handlers) {
qtpromise_defer(handler.second, handler.first);
}
}
@ -566,7 +538,7 @@ protected:
struct PromiseInspect
{
template <typename T>
template<typename T>
static inline PromiseData<T>* get(const QtPromise::QPromise<T>& p)
{
return p.m_d.data();

8
src/qtpromise/qpromiseconnections.h
View File

@ -31,15 +31,17 @@ private:
{
QVector<QMetaObject::Connection> connections;
~Data() {
~Data()
{
if (!connections.empty()) {
qWarning("QPromiseConnections: destroyed with unhandled connections.");
disconnect();
}
}
void disconnect() {
for (const auto& connection: connections) {
void disconnect()
{
for (const auto& connection : connections) {
QObject::disconnect(connection);
}
connections.clear();

15
src/qtpromise/qpromisefuture.h
View File

@ -15,16 +15,14 @@
namespace QtPromisePrivate {
template <typename T>
struct PromiseDeduce<QFuture<T>>
: public PromiseDeduce<T>
template<typename T>
struct PromiseDeduce<QFuture<T>> : public PromiseDeduce<T>
{ };
template <typename T>
template<typename T>
struct PromiseFulfill<QFuture<T>>
{
static void call(
const QFuture<T>& future,
static void call(const QFuture<T>& future,
const QtPromise::QPromiseResolve<T>& resolve,
const QtPromise::QPromiseReject<T>& reject)
{
@ -55,11 +53,10 @@ struct PromiseFulfill<QFuture<T>>
}
};
template <>
template<>
struct PromiseFulfill<QFuture<void>>
{
static void call(
const QFuture<void>& future,
static void call(const QFuture<void>& future,
const QtPromise::QPromiseResolve<void>& resolve,
const QtPromise::QPromiseReject<void>& reject)
{

52
src/qtpromise/qpromiseglobal.h
View File

@ -13,21 +13,25 @@
#include <array>
#include <functional>
namespace QtPromisePrivate
{
namespace QtPromisePrivate {
// https://rmf.io/cxx11/even-more-traits#unqualified_types
template <typename T>
template<typename T>
using Unqualified = typename std::remove_cv<typename std::remove_reference<T>::type>::type;
/*!
* \struct HasCallOperator
* http://stackoverflow.com/a/5117641
*/
template <typename T>
template<typename T>
struct HasCallOperator
{
template <typename U> static char check(decltype(&U::operator(), char(0)));
template <typename U> static char (&check(...))[2];
template<typename U>
static char check(decltype(&U::operator(), char(0)));
template<typename U>
static char (&check(...))[2];
static const bool value = (sizeof(check<T>(0)) == 1);
};
@ -36,7 +40,7 @@ struct HasCallOperator
* http://stackoverflow.com/a/7943765
* http://stackoverflow.com/a/27885283
*/
template <typename... Args>
template<typename... Args>
struct ArgsTraits
{
using types = std::tuple<Args...>;
@ -44,7 +48,7 @@ struct ArgsTraits
static const size_t count = std::tuple_size<types>::value;
};
template <>
template<>
struct ArgsTraits<>
{
using types = std::tuple<>;
@ -53,56 +57,56 @@ struct ArgsTraits<>
};
// Fallback implementation (type not supported).
template <typename T, typename Enabled = void>
template<typename T, typename Enabled = void>
struct ArgsOf
{ };
// Partial specialization for null function.
template <>
template<>
struct ArgsOf<std::nullptr_t> : public ArgsTraits<>
{ };
// Partial specialization for type with a non-overloaded operator().
// This applies to lambda, std::function but not to std::bind result.
template <typename T>
template<typename T>
struct ArgsOf<T, typename std::enable_if<HasCallOperator<T>::value>::type>
: public ArgsOf<decltype(&T::operator())>
{ };
// Partial specialization to remove reference and rvalue (e.g. lambda, std::function, etc.).
template <typename T>
template<typename T>
struct ArgsOf<T&> : public ArgsOf<T>
{ };
template <typename T>
template<typename T>
struct ArgsOf<T&&> : public ArgsOf<T>
{ };
// Partial specialization for function type.
template <typename R, typename... Args>
template<typename R, typename... Args>
struct ArgsOf<R(Args...)> : public ArgsTraits<Args...>
{ };
// Partial specialization for function pointer.
template <typename R, typename... Args>
struct ArgsOf<R(*)(Args...)> : public ArgsTraits<Args...>
template<typename R, typename... Args>
struct ArgsOf<R (*)(Args...)> : public ArgsTraits<Args...>
{ };
// Partial specialization for pointer-to-member-function (i.e. operator()'s).
template <typename R, typename T, typename... Args>
struct ArgsOf<R(T::*)(Args...)> : public ArgsTraits<Args...>
template<typename R, typename T, typename... Args>
struct ArgsOf<R (T::*)(Args...)> : public ArgsTraits<Args...>
{ };
template <typename R, typename T, typename... Args>
struct ArgsOf<R(T::*)(Args...) const> : public ArgsTraits<Args...>
template<typename R, typename T, typename... Args>
struct ArgsOf<R (T::*)(Args...) const> : public ArgsTraits<Args...>
{ };
template <typename R, typename T, typename... Args>
struct ArgsOf<R(T::*)(Args...) volatile> : public ArgsTraits<Args...>
template<typename R, typename T, typename... Args>
struct ArgsOf<R (T::*)(Args...) volatile> : public ArgsTraits<Args...>
{ };
template <typename R, typename T, typename... Args>
struct ArgsOf<R(T::*)(Args...) const volatile> : public ArgsTraits<Args...>
template<typename R, typename T, typename... Args>
struct ArgsOf<R (T::*)(Args...) const volatile> : public ArgsTraits<Args...>
{ };
} // namespace QtPromisePrivate

115
src/qtpromise/qpromisehelpers.h
View File

@ -13,9 +13,8 @@
namespace QtPromise {
template <typename T>
static inline typename QtPromisePrivate::PromiseDeduce<T>::Type
resolve(T&& value)
template<typename T>
static inline typename QtPromisePrivate::PromiseDeduce<T>::Type resolve(T&& value)
{
using namespace QtPromisePrivate;
using PromiseType = typename PromiseDeduce<T>::Type;
@ -24,52 +23,48 @@ resolve(T&& value)
using RejectType = QPromiseReject<ValueType>;
return PromiseType{[&](ResolveType&& resolve, RejectType&& reject) {
PromiseFulfill<Unqualified<T>>::call(
std::forward<T>(value),
PromiseFulfill<Unqualified<T>>::call(std::forward<T>(value),
std::forward<ResolveType>(resolve),
std::forward<RejectType>(reject));
}};
}
template <typename T>
static inline QPromise<T>
resolve(QPromise<T> value)
template<typename T>
static inline QPromise<T> resolve(QPromise<T> value)
{
return std::move(value);
}
static inline QPromise<void>
resolve()
static inline QPromise<void> resolve()
{
return QPromise<void>{[](const QPromiseResolve<void>& resolve) {
resolve();
}};
}
template <typename T, template <typename, typename...> class Sequence = QVector, typename ...Args>
static inline QPromise<QVector<T>>
all(const Sequence<QPromise<T>, Args...>& promises)
template<typename T, template<typename, typename...> class Sequence = QVector, typename... Args>
static inline QPromise<QVector<T>> all(const Sequence<QPromise<T>, Args...>& promises)
{
const int count = static_cast<int>(promises.size());
if (count == 0) {
return QtPromise::resolve(QVector<T>{});
}
return QPromise<QVector<T>>{[=](
const QPromiseResolve<QVector<T>>& resolve,
const QPromiseReject<QVector<T>>& reject) {
return QPromise<QVector<T>>{
[=](const QPromiseResolve<QVector<T>>& resolve, const QPromiseReject<QVector<T>>& reject) {
auto remaining = QSharedPointer<int>::create(count);
auto results = QSharedPointer<QVector<T>>::create(count);
int i = 0;
for (const auto& promise: promises) {
promise.then([=](const T& res) mutable {
for (const auto& promise : promises) {
promise.then(
[=](const T& res) mutable {
(*results)[i] = res;
if (--(*remaining) == 0) {
resolve(*results);
}
}, [=]() mutable {
},
[=]() mutable {
if (*remaining != -1) {
*remaining = -1;
reject(std::current_exception());
@ -81,27 +76,26 @@ all(const Sequence<QPromise<T>, Args...>& promises)
}};
}
template <template <typename, typename...> class Sequence = QVector, typename ...Args>
static inline QPromise<void>
all(const Sequence<QPromise<void>, Args...>& promises)
template<template<typename, typename...> class Sequence = QVector, typename... Args>
static inline QPromise<void> all(const Sequence<QPromise<void>, Args...>& promises)
{
const int count = static_cast<int>(promises.size());
if (count == 0) {
return QtPromise::resolve();
}
return QPromise<void>{[=](
const QPromiseResolve<void>& resolve,
const QPromiseReject<void>& reject) {
return QPromise<void>{
[=](const QPromiseResolve<void>& resolve, const QPromiseReject<void>& reject) {
auto remaining = QSharedPointer<int>::create(count);
for (const auto& promise: promises) {
promise.then([=]() {
for (const auto& promise : promises) {
promise.then(
[=]() {
if (--(*remaining) == 0) {
resolve();
}
}, [=]() {
},
[=]() {
if (*remaining != -1) {
*remaining = -1;
reject(std::current_exception());
@ -111,7 +105,7 @@ all(const Sequence<QPromise<void>, Args...>& promises)
}};
}
template <typename Functor, typename... Args>
template<typename Functor, typename... Args>
static inline typename QtPromisePrivate::PromiseFunctor<Functor, Args...>::PromiseType
attempt(Functor&& fn, Args&&... args)
{
@ -127,40 +121,36 @@ attempt(Functor&& fn, Args&&... args)
using ResolveType = QPromiseResolve<ValueType>;
using RejectType = QPromiseReject<ValueType>;
return PromiseType{
[&](ResolveType&& resolve, RejectType&& reject) {
PromiseDispatch<typename FunctorType::ResultType>::call(
std::forward<ResolveType>(resolve),
return PromiseType{[&](ResolveType&& resolve, RejectType&& reject) {
PromiseDispatch<typename FunctorType::ResultType>::call(std::forward<ResolveType>(resolve),
std::forward<RejectType>(reject),
std::forward<Functor>(fn),
std::forward<Args>(args)...);
}};
}
template <typename Sender, typename Signal>
template<typename Sender, typename Signal>
static inline typename QtPromisePrivate::PromiseFromSignal<Signal>
connect(const Sender* sender, Signal signal)
{
using namespace QtPromisePrivate;
using T = typename PromiseFromSignal<Signal>::Type;
return QPromise<T>{
[&](const QPromiseResolve<T>& resolve, const QPromiseReject<T>& reject) {
return QPromise<T>{[&](const QPromiseResolve<T>& resolve, const QPromiseReject<T>& reject) {
QPromiseConnections connections;
connectSignalToResolver(connections, resolve, sender, signal);
connectDestroyedToReject(connections, reject, sender);
}};
}
template <typename FSender, typename FSignal, typename RSender, typename RSignal>
template<typename FSender, typename FSignal, typename RSender, typename RSignal>
static inline typename QtPromisePrivate::PromiseFromSignal<FSignal>
connect(const FSender* fsender, FSignal fsignal, const RSender* rsender, RSignal rsignal)
{
using namespace QtPromisePrivate;
using T = typename PromiseFromSignal<FSignal>::Type;
return QPromise<T>{
[&](const QPromiseResolve<T>& resolve, const QPromiseReject<T>& reject) {
return QPromise<T>{[&](const QPromiseResolve<T>& resolve, const QPromiseReject<T>& reject) {
QPromiseConnections connections;
connectSignalToResolver(connections, resolve, fsender, fsignal);
connectSignalToResolver(connections, reject, rsender, rsignal);
@ -168,21 +158,20 @@ connect(const FSender* fsender, FSignal fsignal, const RSender* rsender, RSignal
}};
}
template <typename Sender, typename FSignal, typename RSignal>
template<typename Sender, typename FSignal, typename RSignal>
static inline typename QtPromisePrivate::PromiseFromSignal<FSignal>
connect(const Sender* sender, FSignal fsignal, RSignal rsignal)
{
return connect(sender, fsignal, sender, rsignal);
}
template <typename Sequence, typename Functor>
static inline QPromise<Sequence>
each(const Sequence& values, Functor&& fn)
template<typename Sequence, typename Functor>
static inline QPromise<Sequence> each(const Sequence& values, Functor&& fn)
{
return QPromise<Sequence>::resolve(values).each(std::forward<Functor>(fn));
}
template <typename Sequence, typename Functor>
template<typename Sequence, typename Functor>
static inline typename QtPromisePrivate::PromiseMapper<Sequence, Functor>::PromiseType
map(const Sequence& values, Functor fn)
{
@ -195,9 +184,8 @@ map(const Sequence& values, Functor fn)
std::vector<QPromise<ResType>> promises;
for (const auto& v : values) {
promises.push_back(QPromise<ResType>{[&](
const QPromiseResolve<ResType>& resolve,
const QPromiseReject<ResType>& reject) {
promises.push_back(QPromise<ResType>{
[&](const QPromiseResolve<ResType>& resolve, const QPromiseReject<ResType>& reject) {
PromiseFulfill<RetType>::call(fn(v, i), resolve, reject);
}});
@ -207,12 +195,10 @@ map(const Sequence& values, Functor fn)
return QtPromise::all(promises);
}
template <typename Sequence, typename Functor>
static inline QPromise<Sequence>
filter(const Sequence& values, Functor fn)
template<typename Sequence, typename Functor>
static inline QPromise<Sequence> filter(const Sequence& values, Functor fn)
{
return QtPromise::map(values, fn)
.then([=](const QVector<bool>& filters) {
return QtPromise::map(values, fn).then([=](const QVector<bool>& filters) {
Sequence filtered;
auto filter = filters.begin();
@ -228,7 +214,11 @@ filter(const Sequence& values, Functor fn)
});
}
template <typename T, template <typename...> class Sequence = QVector, typename Reducer, typename Input, typename ...Args>
template<typename T,
template<typename...> class Sequence = QVector,
typename Reducer,
typename Input,
typename... Args>
static inline typename QtPromisePrivate::PromiseDeduce<Input>::Type
reduce(const Sequence<T, Args...>& values, Reducer fn, Input initial)
{
@ -253,7 +243,10 @@ reduce(const Sequence<T, Args...>& values, Reducer fn, Input initial)
return promise;
}
template <typename T, template <typename...> class Sequence = QVector, typename Reducer, typename ...Args>
template<typename T,
template<typename...> class Sequence = QVector,
typename Reducer,
typename... Args>
static inline typename QtPromisePrivate::PromiseDeduce<T>::Type
reduce(const Sequence<T, Args...>& values, Reducer fn)
{
@ -283,19 +276,17 @@ reduce(const Sequence<T, Args...>& values, Reducer fn)
// DEPRECATIONS (remove at version 1)
template <typename... Args>
template<typename... Args>
Q_DECL_DEPRECATED_X("Use QtPromise::resolve instead")
static inline auto
qPromise(Args&&... args)
static inline auto qPromise(Args&&... args)
-> decltype(QtPromise::resolve(std::forward<Args>(args)...))
{
return QtPromise::resolve(std::forward<Args>(args)...);
}
template <typename... Args>
template<typename... Args>
Q_DECL_DEPRECATED_X("Use QtPromise::all instead")
static inline auto
qPromiseAll(Args&&... args)
static inline auto qPromiseAll(Args&&... args)
-> decltype(QtPromise::all(std::forward<Args>(args)...))
{
return QtPromise::all(std::forward<Args>(args)...);

27
src/qtpromise/qpromisehelpers_p.h
View File

@ -16,14 +16,13 @@ namespace QtPromisePrivate {
// TODO: Suppress QPrivateSignal trailing private signal args
// TODO: Support deducing tuple from args (might require MSVC2017)
template <typename Signal>
template<typename Signal>
using PromiseFromSignal = typename QtPromise::QPromise<Unqualified<typename ArgsOf<Signal>::first>>;
// Connect signal() to QPromiseResolve
template <typename Sender, typename Signal>
template<typename Sender, typename Signal>
typename std::enable_if<(ArgsOf<Signal>::count == 0)>::type
connectSignalToResolver(
const QtPromise::QPromiseConnections& connections,
connectSignalToResolver(const QtPromise::QPromiseConnections& connections,
const QtPromise::QPromiseResolve<void>& resolve,
const Sender* sender,
Signal signal)
@ -35,10 +34,9 @@ connectSignalToResolver(
}
// Connect signal() to QPromiseReject
template <typename T, typename Sender, typename Signal>
template<typename T, typename Sender, typename Signal>
typename std::enable_if<(ArgsOf<Signal>::count == 0)>::type
connectSignalToResolver(
const QtPromise::QPromiseConnections& connections,
connectSignalToResolver(const QtPromise::QPromiseConnections& connections,
const QtPromise::QPromiseReject<T>& reject,
const Sender* sender,
Signal signal)
@ -50,10 +48,9 @@ connectSignalToResolver(
}
// Connect signal(args...) to QPromiseResolve
template <typename T, typename Sender, typename Signal>
template<typename T, typename Sender, typename Signal>
typename std::enable_if<(ArgsOf<Signal>::count >= 1)>::type
connectSignalToResolver(
const QtPromise::QPromiseConnections& connections,
connectSignalToResolver(const QtPromise::QPromiseConnections& connections,
const QtPromise::QPromiseResolve<T>& resolve,
const Sender* sender,
Signal signal)
@ -65,10 +62,9 @@ connectSignalToResolver(
}
// Connect signal(args...) to QPromiseReject
template <typename T, typename Sender, typename Signal>
template<typename T, typename Sender, typename Signal>
typename std::enable_if<(ArgsOf<Signal>::count >= 1)>::type
connectSignalToResolver(
const QtPromise::QPromiseConnections& connections,
connectSignalToResolver(const QtPromise::QPromiseConnections& connections,
const QtPromise::QPromiseReject<T>& reject,
const Sender* sender,
Signal signal)
@ -81,9 +77,8 @@ connectSignalToResolver(
}
// Connect QObject::destroyed signal to QPromiseReject
template <typename T, typename Sender>
void connectDestroyedToReject(
const QtPromise::QPromiseConnections& connections,
template<typename T, typename Sender>
void connectDestroyedToReject(const QtPromise::QPromiseConnections& connections,
const QtPromise::QPromiseReject<T>& reject,
const Sender* sender)
{

38
src/qtpromise/qpromiseresolver.h
View File

@ -14,23 +14,23 @@
namespace QtPromise {
template <typename T> class QPromise;
template<typename T>
class QPromise;
} // namespace QtPromise
namespace QtPromisePrivate {
template <typename T>
template<typename T>
class PromiseResolver
{
public:
PromiseResolver(QtPromise::QPromise<T> promise)
: m_d{new Data{}}
PromiseResolver(QtPromise::QPromise<T> promise) : m_d{new Data{}}
{
m_d->promise = new QtPromise::QPromise<T>{std::move(promise)};
}
template <typename E>
template<typename E>
void reject(E&& error)
{
auto promise = m_d->promise;
@ -53,7 +53,7 @@ public:
}
}
template <typename V>
template<typename V>
void resolve(V&& value)
{
auto promise = m_d->promise;
@ -93,51 +93,43 @@ private:
}
};
} // QtPromisePrivate
} // namespace QtPromisePrivate
namespace QtPromise {
template <class T>
template<class T>
class QPromiseResolve
{
public:
QPromiseResolve(QtPromisePrivate::PromiseResolver<T> resolver)
: m_resolver{std::move(resolver)}
QPromiseResolve(QtPromisePrivate::PromiseResolver<T> resolver) : m_resolver{std::move(resolver)}
{ }
template <typename V>
template<typename V>
void operator()(V&& value) const
{
m_resolver.resolve(std::forward<V>(value));
}
void operator()() const
{
m_resolver.resolve();
}
void operator()() const { m_resolver.resolve(); }
private:
mutable QtPromisePrivate::PromiseResolver<T> m_resolver;
};
template <class T>
template<class T>
class QPromiseReject
{
public:
QPromiseReject(QtPromisePrivate::PromiseResolver<T> resolver)
: m_resolver{std::move(resolver)}
QPromiseReject(QtPromisePrivate::PromiseResolver<T> resolver) : m_resolver{std::move(resolver)}
{ }
template <typename E>
template<typename E>
void operator()(E&& error) const
{
m_resolver.reject(std::forward<E>(error));
}
void operator()() const
{
m_resolver.reject();
}
void operator()() const { m_resolver.reject(); }
private:
mutable QtPromisePrivate::PromiseResolver<T> m_resolver;

103
tests/auto/qtpromise/benchmark/tst_benchmark.cpp
View File

@ -11,11 +11,11 @@
#include <QtTest>
#ifdef Q_CC_MSVC
// MSVC calls the copy constructor on std::current_exception AND std::rethrow_exception
// https://stackoverflow.com/a/31820854
#define EXCEPT_CALL_COPY_CTOR 1
// MSVC calls the copy constructor on std::current_exception AND std::rethrow_exception
// https://stackoverflow.com/a/31820854
# define EXCEPT_CALL_COPY_CTOR 1
#else
#define EXCEPT_CALL_COPY_CTOR 0
# define EXCEPT_CALL_COPY_CTOR 0
#endif
using namespace QtPromise;
@ -86,9 +86,11 @@ void tst_benchmark::valueThen()
{ // should not copy value on continutation if fulfilled
int value = -1;
Data::logs().reset();
QPromise<Data>::resolve(Data{42}).then([&](const Data& res) {
QPromise<Data>::resolve(Data{42})
.then([&](const Data& res) {
value = res.value();
}).wait();
})
.wait();
QCOMPARE(Data::logs().ctor, 1);
QCOMPARE(Data::logs().copy, 0);
@ -100,11 +102,15 @@ void tst_benchmark::valueThen()
int value = -1;
QString error;
Data::logs().reset();
QPromise<Data>::reject(QString{"foo"}).then([&](const Data& res) {
QPromise<Data>::reject(QString{"foo"})
.then(
[&](const Data& res) {
value = res.value();
}, [&](const QString& err) {
},
[&](const QString& err) {
error = err;
}).wait();
})
.wait();
QCOMPARE(Data::logs().ctor, 0);
QCOMPARE(Data::logs().copy, 0);
@ -116,11 +122,14 @@ void tst_benchmark::valueThen()
{ // should move the returned value when fulfilled
int value = -1;
Data::logs().reset();
QPromise<int>::resolve(42).then([&](int res) {
return Data{res+2};
}).then([&](const Data& res) {
QPromise<int>::resolve(42)
.then([&](int res) {
return Data{res + 2};
})
.then([&](const Data& res) {
value = res.value();
}).wait();
})
.wait();
QCOMPARE(Data::logs().ctor, 1);
QCOMPARE(Data::logs().copy, 0);
@ -130,10 +139,12 @@ void tst_benchmark::valueThen()
}
{ // should not create any data if handler throws
Data::logs().reset();
QPromise<int>::resolve(42).then([&](int res) {
QPromise<int>::resolve(42)
.then([&](int res) {
throw QString{"foo"};
return Data{res+2};
}).wait();
return Data{res + 2};
})
.wait();
QCOMPARE(Data::logs().ctor, 0);
QCOMPARE(Data::logs().copy, 0);
@ -147,11 +158,14 @@ void tst_benchmark::valueDelayed()
{ // should not copy the value on continutation if fulfilled
int value = -1;
Data::logs().reset();
QPromise<int>::resolve(42).then([&](int res) {
QPromise<int>::resolve(42)
.then([&](int res) {
return QPromise<Data>::resolve(Data{res + 1});
}).then([&](const Data& res) {
})
.then([&](const Data& res) {
value = res.value();
}).wait();
})
.wait();
QCOMPARE(Data::logs().ctor, 1);
QCOMPARE(Data::logs().copy, 0);
@ -161,9 +175,11 @@ void tst_benchmark::valueDelayed()
}
{ // should not create value on continutation if rejected
Data::logs().reset();
QPromise<int>::resolve(42).then([&]() {
QPromise<int>::resolve(42)
.then([&]() {
return QPromise<Data>::reject(QString{"foo"});
}).wait();
})
.wait();
QCOMPARE(Data::logs().ctor, 0);
QCOMPARE(Data::logs().copy, 0);
@ -177,9 +193,11 @@ void tst_benchmark::valueFinally()
{ // should not copy the value on continutation if fulfilled
int value = -1;
Data::logs().reset();
QPromise<Data>::resolve(Data{42}).finally([&]() {
QPromise<Data>::resolve(Data{42})
.finally([&]() {
value = 42;
}).wait();
})
.wait();
QCOMPARE(Data::logs().ctor, 1);
QCOMPARE(Data::logs().copy, 0);
@ -190,9 +208,11 @@ void tst_benchmark::valueFinally()
{ // should not create value on continutation if rejected
int value = -1;
Data::logs().reset();
QPromise<Data>::reject(QString{"foo"}).finally([&]() {
QPromise<Data>::reject(QString{"foo"})
.finally([&]() {
value = 42;
}).wait();
})
.wait();
QCOMPARE(Data::logs().ctor, 0);
QCOMPARE(Data::logs().copy, 0);
@ -207,9 +227,11 @@ void tst_benchmark::valueTap()
{ // should not copy the value on continutation if fulfilled
int value = -1;
Data::logs().reset();
QPromise<Data>::resolve(Data{42}).tap([&](const Data& res) {
QPromise<Data>::resolve(Data{42})
.tap([&](const Data& res) {
value = res.value();
}).wait();
})
.wait();
QCOMPARE(Data::logs().ctor, 1);
QCOMPARE(Data::logs().copy, 0);
@ -220,9 +242,11 @@ void tst_benchmark::valueTap()
{ // should not create value on continutation if rejected
int value = -1;
Data::logs().reset();
QPromise<Data>::reject(QString{"foo"}).tap([&](const Data& res) {
QPromise<Data>::reject(QString{"foo"})
.tap([&](const Data& res) {
value = res.value();
}).wait();
})
.wait();
QCOMPARE(Data::logs().ctor, 0);
QCOMPARE(Data::logs().copy, 0);
@ -264,12 +288,15 @@ void tst_benchmark::errorThen()
{ // should not copy error on continutation if rejected
int value = -1;
Data::logs().reset();
QPromise<void>::reject(Data{42}).fail([&](const Data& res) {
QPromise<void>::reject(Data{42})
.fail([&](const Data& res) {
value = res.value();
}).wait();
})
.wait();
QCOMPARE(Data::logs().ctor, 1);
QCOMPARE(Data::logs().copy, 1 + 2 * EXCEPT_CALL_COPY_CTOR); // (initial) copy value in std::exception_ptr
QCOMPARE(Data::logs().copy,
1 + 2 * EXCEPT_CALL_COPY_CTOR); // (initial) copy value in std::exception_ptr
QCOMPARE(Data::logs().move, 0);
QCOMPARE(Data::logs().refs, 0);
QCOMPARE(value, 42);
@ -277,14 +304,18 @@ void tst_benchmark::errorThen()
{ // should not copy error on continutation if rethrown
int value = -1;
Data::logs().reset();
QPromise<void>::reject(Data{42}).fail([](const Data&) {
QPromise<void>::reject(Data{42})
.fail([](const Data&) {
throw;
}).fail([&](const Data& res) {
})
.fail([&](const Data& res) {
value = res.value();
}).wait();
})
.wait();
QCOMPARE(Data::logs().ctor, 1);
QCOMPARE(Data::logs().copy, 1 + 4 * EXCEPT_CALL_COPY_CTOR); // (initial) copy value in std::exception_ptr
QCOMPARE(Data::logs().copy,
1 + 4 * EXCEPT_CALL_COPY_CTOR); // (initial) copy value in std::exception_ptr
QCOMPARE(Data::logs().move, 0);
QCOMPARE(Data::logs().refs, 0);
QCOMPARE(value, 42);

10
tests/auto/qtpromise/deprecations/tst_helpers_qpromise.cpp
View File

@ -175,7 +175,7 @@ void tst_deprecations_helpers_qpromise::stdSharedPtr()
void tst_deprecations_helpers_qpromise::typedPromise()
{
auto resolver = [](const QPromiseResolve<int>& resolve) {
QtPromisePrivate::qtpromise_defer([=](){
QtPromisePrivate::qtpromise_defer([=]() {
resolve(42);
});
};
@ -202,7 +202,7 @@ void tst_deprecations_helpers_qpromise::typedPromise()
void tst_deprecations_helpers_qpromise::voidPromise()
{
auto resolver = [](const QPromiseResolve<void>& resolve) {
QtPromisePrivate::qtpromise_defer([=](){
QtPromisePrivate::qtpromise_defer([=]() {
resolve();
});
};
@ -228,7 +228,9 @@ void tst_deprecations_helpers_qpromise::voidPromise()
void tst_deprecations_helpers_qpromise::typedFuture()
{
auto fn = [](){ return 42; };
auto fn = []() {
return 42;
};
QFuture<int> v0 = QtConcurrent::run(fn);
const QFuture<int> v1 = v0;
@ -250,7 +252,7 @@ void tst_deprecations_helpers_qpromise::typedFuture()
void tst_deprecations_helpers_qpromise::voidFuture()
{
auto fn = [](){ };
auto fn = []() {};
QFuture<void> v0 = QtConcurrent::run(fn);
const QFuture<void> v1 = v0;

28
tests/auto/qtpromise/deprecations/tst_helpers_qpromiseall.cpp
View File

@ -33,18 +33,14 @@ QTEST_MAIN(tst_deprecations_helpers_qpromiseall)
namespace {
template <class Sequence>
template<class Sequence>
struct SequenceTester
{
Q_STATIC_ASSERT((std::is_same<typename Sequence::value_type, QPromise<int>>::value));
static void exec()
{
Sequence promises{
QtPromise::resolve(42),
QtPromise::resolve(43),
QtPromise::resolve(44)
};
Sequence promises{QtPromise::resolve(42), QtPromise::resolve(43), QtPromise::resolve(44)};
promises.push_back(QtPromise::resolve(45));
promises.insert(++promises.begin(), QtPromise::resolve(46));
@ -58,16 +54,14 @@ struct SequenceTester
}
};
template <template <typename, typename...> class Sequence, typename ...Args>
template<template<typename, typename...> class Sequence, typename... Args>
struct SequenceTester<Sequence<QPromise<void>, Args...>>
{
static void exec()
{
Sequence<QPromise<void>, Args...> promises{
Sequence<QPromise<void>, Args...> promises{QtPromise::resolve(),
QtPromise::resolve(),
QtPromise::resolve(),
QtPromise::resolve()
};
QtPromise::resolve()};
promises.push_back(QtPromise::resolve());
promises.insert(++promises.begin(), QtPromise::resolve());
@ -106,7 +100,7 @@ void tst_deprecations_helpers_qpromiseall::allPromisesSucceed()
auto p0 = QtPromise::resolve(42);
auto p1 = QtPromise::resolve(44);
auto p2 = QPromise<int>{[](const QPromiseResolve<int>& resolve) {
QtPromisePrivate::qtpromise_defer([=](){
QtPromisePrivate::qtpromise_defer([=]() {
resolve(43);
});
}};
@ -127,7 +121,7 @@ void tst_deprecations_helpers_qpromiseall::allPromisesSucceed_void()
auto p0 = QtPromise::resolve();
auto p1 = QtPromise::resolve();
auto p2 = QPromise<void>{[](const QPromiseResolve<void>& resolve) {
QtPromisePrivate::qtpromise_defer([=](){
QtPromisePrivate::qtpromise_defer([=]() {
resolve();
});
}};
@ -148,7 +142,7 @@ void tst_deprecations_helpers_qpromiseall::atLeastOnePromiseReject()
auto p0 = QtPromise::resolve(42);
auto p1 = QtPromise::resolve(44);
auto p2 = QPromise<int>{[](const QPromiseResolve<int>&, const QPromiseReject<int>& reject) {
QtPromisePrivate::qtpromise_defer([=](){
QtPromisePrivate::qtpromise_defer([=]() {
reject(QString{"foo"});
});
}};
@ -169,7 +163,7 @@ void tst_deprecations_helpers_qpromiseall::atLeastOnePromiseReject_void()
auto p0 = QtPromise::resolve();
auto p1 = QtPromise::resolve();
auto p2 = QPromise<void>{[](const QPromiseResolve<void>&, const QPromiseReject<void>& reject) {
QtPromisePrivate::qtpromise_defer([=](){
QtPromisePrivate::qtpromise_defer([=]() {
reject(QString{"foo"});
});
}};
@ -210,7 +204,7 @@ void tst_deprecations_helpers_qpromiseall::preserveOrder()
void tst_deprecations_helpers_qpromiseall::sequenceTypes()
{
SequenceTester<QList<QPromise<int>>>::exec();
//SequenceTester<QVector<QPromise<int>>>::exec();
// SequenceTester<QVector<QPromise<int>>>::exec();
SequenceTester<std::list<QPromise<int>>>::exec();
SequenceTester<std::vector<QPromise<int>>>::exec();
}
@ -218,7 +212,7 @@ void tst_deprecations_helpers_qpromiseall::sequenceTypes()
void tst_deprecations_helpers_qpromiseall::sequenceTypes_void()
{
SequenceTester<QList<QPromise<void>>>::exec();
//SequenceTester<QVector<QPromise<void>>>::exec();
// SequenceTester<QVector<QPromise<void>>>::exec();
SequenceTester<std::list<QPromise<void>>>::exec();
SequenceTester<std::vector<QPromise<void>>>::exec();
}

28
tests/auto/qtpromise/deprecations/tst_qpromise_all.cpp
View File

@ -33,18 +33,14 @@ QTEST_MAIN(tst_deprecations_qpromise_all)
namespace {
template <class Sequence>
template<class Sequence>
struct SequenceTester
{
Q_STATIC_ASSERT((std::is_same<typename Sequence::value_type, QPromise<int>>::value));
static void exec()
{
Sequence promises{
QtPromise::resolve(42),
QtPromise::resolve(43),
QtPromise::resolve(44)
};
Sequence promises{QtPromise::resolve(42), QtPromise::resolve(43), QtPromise::resolve(44)};
promises.push_back(QtPromise::resolve(45));
promises.insert(++promises.begin(), QtPromise::resolve(46));
@ -59,16 +55,14 @@ struct SequenceTester
}
};
template <template <typename, typename...> class Sequence, typename ...Args>
template<template<typename, typename...> class Sequence, typename... Args>
struct SequenceTester<Sequence<QPromise<void>, Args...>>
{
static void exec()
{
Sequence<QPromise<void>, Args...> promises{
Sequence<QPromise<void>, Args...> promises{QtPromise::resolve(),
QtPromise::resolve(),
QtPromise::resolve(),
QtPromise::resolve()
};
QtPromise::resolve()};
promises.push_back(QtPromise::resolve());
promises.insert(++promises.begin(), QtPromise::resolve());
@ -110,7 +104,7 @@ void tst_deprecations_qpromise_all::allPromisesSucceed()
auto p0 = QtPromise::resolve(42);
auto p1 = QtPromise::resolve(44);
auto p2 = QPromise<int>{[](const QPromiseResolve<int>& resolve) {
QtPromisePrivate::qtpromise_defer([=](){
QtPromisePrivate::qtpromise_defer([=]() {
resolve(43);
});
}};
@ -132,7 +126,7 @@ void tst_deprecations_qpromise_all::allPromisesSucceed_void()
auto p0 = QtPromise::resolve();
auto p1 = QtPromise::resolve();
auto p2 = QPromise<void>{[](const QPromiseResolve<void>& resolve) {
QtPromisePrivate::qtpromise_defer([=](){
QtPromisePrivate::qtpromise_defer([=]() {
resolve();
});
}};
@ -154,7 +148,7 @@ void tst_deprecations_qpromise_all::atLeastOnePromiseReject()
auto p0 = QtPromise::resolve(42);
auto p1 = QtPromise::resolve(44);
auto p2 = QPromise<int>{[](const QPromiseResolve<int>&, const QPromiseReject<int>& reject) {
QtPromisePrivate::qtpromise_defer([=](){
QtPromisePrivate::qtpromise_defer([=]() {
reject(QString{"foo"});
});
}};
@ -176,7 +170,7 @@ void tst_deprecations_qpromise_all::atLeastOnePromiseReject_void()
auto p0 = QtPromise::resolve();
auto p1 = QtPromise::resolve();
auto p2 = QPromise<void>{[](const QPromiseResolve<void>&, const QPromiseReject<void>& reject) {
QtPromisePrivate::qtpromise_defer([=](){
QtPromisePrivate::qtpromise_defer([=]() {
reject(QString{"foo"});
});
}};
@ -219,7 +213,7 @@ void tst_deprecations_qpromise_all::preserveOrder()
void tst_deprecations_qpromise_all::sequenceTypes()
{
SequenceTester<QList<QPromise<int>>>::exec();
//SequenceTester<QVector<QPromise<int>>>::exec();
// SequenceTester<QVector<QPromise<int>>>::exec();
SequenceTester<std::list<QPromise<int>>>::exec();
SequenceTester<std::vector<QPromise<int>>>::exec();
}
@ -227,7 +221,7 @@ void tst_deprecations_qpromise_all::sequenceTypes()
void tst_deprecations_qpromise_all::sequenceTypes_void()
{
SequenceTester<QList<QPromise<void>>>::exec();
//SequenceTester<QVector<QPromise<void>>>::exec();
// SequenceTester<QVector<QPromise<void>>>::exec();
SequenceTester<std::list<QPromise<void>>>::exec();
SequenceTester<std::vector<QPromise<void>>>::exec();
}

6
tests/auto/qtpromise/exceptions/tst_exceptions.cpp
View File

@ -30,10 +30,12 @@ QTEST_MAIN(tst_exceptions)
namespace {
template <class E>
template<class E>
void verify()
{
auto p = QtPromise::resolve(QtConcurrent::run([]() { throw E(); }));
auto p = QtPromise::resolve(QtConcurrent::run([]() {
throw E();
}));
QCOMPARE(p.isPending(), true);
QCOMPARE(waitForRejected<E>(p), true);
QCOMPARE(p.isRejected(), true);

66
tests/auto/qtpromise/future/tst_future.cpp
View File

@ -37,9 +37,7 @@ private Q_SLOTS:
class MyException : public QException
{
public:
MyException(const QString& error)
: m_error{error}
{ }
MyException(const QString& error) : m_error{error} { }
const QString& error() const { return m_error; }
@ -74,7 +72,7 @@ void tst_future::fulfilled()
void tst_future::fulfilled_void()
{
int result = -1;
auto p = QtPromise::resolve(QtConcurrent::run([]() { }));
auto p = QtPromise::resolve(QtConcurrent::run([]() {}));
Q_STATIC_ASSERT((std::is_same<decltype(p), QPromise<void>>::value));
QCOMPARE(p.isPending(), true);
@ -141,10 +139,12 @@ void tst_future::unhandled()
p.fail([&](const QString& err) {
error += err;
return -1;
}).fail([&](const QUnhandledException&) {
})
.fail([&](const QUnhandledException&) {
error += "bar";
return -1;
}).wait();
})
.wait();
QCOMPARE(p.isRejected(), true);
QCOMPARE(error, QString{"bar"});
@ -162,9 +162,11 @@ void tst_future::unhandled_void()
p.fail([&](const QString& err) {
error += err;
}).fail([&](const QUnhandledException&) {
})
.fail([&](const QUnhandledException&) {
error += "bar";
}).wait();
})
.wait();
QCOMPARE(p.isRejected(), true);
QCOMPARE(error, QString{"bar"});
@ -231,9 +233,11 @@ void tst_future::then()
QCOMPARE(input.isFulfilled(), true);
QCOMPARE(output.isPending(), true);
output.then([&](const QString& res) {
output
.then([&](const QString& res) {
result = res;
}).wait();
})
.wait();
QCOMPARE(output.isFulfilled(), true);
QCOMPARE(result, QString{"foo42"});
@ -252,9 +256,11 @@ void tst_future::then_void()
QCOMPARE(input.isFulfilled(), true);
QCOMPARE(output.isPending(), true);
output.then([&]() {
output
.then([&]() {
result += "bar";
}).wait();
})
.wait();
QCOMPARE(input.isFulfilled(), true);
QCOMPARE(result, QString{"foobar"});
@ -265,17 +271,21 @@ void tst_future::fail()
QString result;
auto input = QPromise<QString>::reject(MyException{"bar"});
auto output = input.fail([](const MyException& e) {
return QtConcurrent::run([](const QString& error) {
return QtConcurrent::run(
[](const QString& error) {
return QString{"foo%1"}.arg(error);
}, e.error());
},
e.error());
});
QCOMPARE(input.isRejected(), true);
QCOMPARE(output.isPending(), true);
output.then([&](const QString& res) {
output
.then([&](const QString& res) {
result = res;
}).wait();
})
.wait();
QCOMPARE(output.isFulfilled(), true);
QCOMPARE(result, QString{"foobar"});
@ -286,17 +296,21 @@ void tst_future::fail_void()
QString result;
auto input = QPromise<void>::reject(MyException{"bar"});
auto output = input.fail([&](const MyException& e) {
return QtConcurrent::run([&](const QString& error) {
return QtConcurrent::run(
[&](const QString& error) {
result = error;
}, e.error());
},
e.error());
});
QCOMPARE(input.isRejected(), true);
QCOMPARE(output.isPending(), true);
output.then([&]() {
output
.then([&]() {
result = result.prepend("foo");
}).wait();
})
.wait();
QCOMPARE(output.isFulfilled(), true);
QCOMPARE(result, QString{"foobar"});
@ -317,9 +331,11 @@ void tst_future::finally()
QCOMPARE(output.isPending(), true);
int value = -1;
output.then([&](int res) {
output
.then([&](int res) {
value = res;
}).wait();
})
.wait();
QCOMPARE(output.isFulfilled(), true);
QCOMPARE(value, 42);
@ -340,10 +356,12 @@ void tst_future::finallyRejected()
QCOMPARE(output.isPending(), true);
QString error;
output.fail([&](const MyException& e) {
output
.fail([&](const MyException& e) {
error = e.error();
return -1;
}).wait();
})
.wait();
QCOMPARE(output.isRejected(), true);
QCOMPARE(error, QString{"foo"});

28
tests/auto/qtpromise/helpers/tst_all.cpp
View File

@ -33,18 +33,14 @@ QTEST_MAIN(tst_helpers_all)
namespace {
template <class Sequence>
template<class Sequence>
struct SequenceTester
{
Q_STATIC_ASSERT((std::is_same<typename Sequence::value_type, QPromise<int>>::value));
static void exec()
{
Sequence promises{
QtPromise::resolve(42),
QtPromise::resolve(43),
QtPromise::resolve(44)
};
Sequence promises{QtPromise::resolve(42), QtPromise::resolve(43), QtPromise::resolve(44)};
promises.push_back(QtPromise::resolve(45));
promises.insert(++promises.begin(), QtPromise::resolve(46));
@ -58,16 +54,14 @@ struct SequenceTester
}
};
template <template <typename, typename...> class Sequence, typename ...Args>
template<template<typename, typename...> class Sequence, typename... Args>
struct SequenceTester<Sequence<QPromise<void>, Args...>>
{
static void exec()
{
Sequence<QPromise<void>, Args...> promises{
Sequence<QPromise<void>, Args...> promises{QtPromise::resolve(),
QtPromise::resolve(),
QtPromise::resolve(),
QtPromise::resolve()
};
QtPromise::resolve()};
promises.push_back(QtPromise::resolve());
promises.insert(++promises.begin(), QtPromise::resolve());
@ -106,7 +100,7 @@ void tst_helpers_all::allPromisesSucceed()
auto p0 = QtPromise::resolve(42);
auto p1 = QtPromise::resolve(44);
auto p2 = QPromise<int>{[](const QPromiseResolve<int>& resolve) {
QtPromisePrivate::qtpromise_defer([=](){
QtPromisePrivate::qtpromise_defer([=]() {
resolve(43);
});
}};
@ -127,7 +121,7 @@ void tst_helpers_all::allPromisesSucceed_void()
auto p0 = QtPromise::resolve();
auto p1 = QtPromise::resolve();
auto p2 = QPromise<void>{[](const QPromiseResolve<void>& resolve) {
QtPromisePrivate::qtpromise_defer([=](){
QtPromisePrivate::qtpromise_defer([=]() {
resolve();
});
}};
@ -148,7 +142,7 @@ void tst_helpers_all::atLeastOnePromiseReject()
auto p0 = QtPromise::resolve(42);
auto p1 = QtPromise::resolve(44);
auto p2 = QPromise<int>{[](const QPromiseResolve<int>&, const QPromiseReject<int>& reject) {
QtPromisePrivate::qtpromise_defer([=](){
QtPromisePrivate::qtpromise_defer([=]() {
reject(QString{"foo"});
});
}};
@ -169,7 +163,7 @@ void tst_helpers_all::atLeastOnePromiseReject_void()
auto p0 = QtPromise::resolve();
auto p1 = QtPromise::resolve();
auto p2 = QPromise<void>{[](const QPromiseResolve<void>&, const QPromiseReject<void>& reject) {
QtPromisePrivate::qtpromise_defer([=](){
QtPromisePrivate::qtpromise_defer([=]() {
reject(QString{"foo"});
});
}};
@ -210,7 +204,7 @@ void tst_helpers_all::preserveOrder()
void tst_helpers_all::sequenceTypes()
{
SequenceTester<QList<QPromise<int>>>::exec();
//SequenceTester<QVector<QPromise<int>>>::exec();
// SequenceTester<QVector<QPromise<int>>>::exec();
SequenceTester<std::list<QPromise<int>>>::exec();
SequenceTester<std::vector<QPromise<int>>>::exec();
}
@ -218,7 +212,7 @@ void tst_helpers_all::sequenceTypes()
void tst_helpers_all::sequenceTypes_void()
{
SequenceTester<QList<QPromise<void>>>::exec();
//SequenceTester<QVector<QPromise<void>>>::exec();
// SequenceTester<QVector<QPromise<void>>>::exec();
SequenceTester<std::list<QPromise<void>>>::exec();
SequenceTester<std::vector<QPromise<void>>>::exec();
}

7
tests/auto/qtpromise/helpers/tst_attempt.cpp
View File

@ -91,9 +91,12 @@ void tst_helpers_attempt::functorThrows()
void tst_helpers_attempt::callWithParams()
{
auto p = QtPromise::attempt([&](int i, const QString& s) {
auto p = QtPromise::attempt(
[&](int i, const QString& s) {
return QString{"%1:%2"}.arg(i).arg(s);
}, 42, "foo");
},
42,
"foo");
Q_STATIC_ASSERT((std::is_same<decltype(p), QPromise<QString>>::value));
QCOMPARE(p.isFulfilled(), true);

7
tests/auto/qtpromise/helpers/tst_each.cpp
View File

@ -32,7 +32,7 @@ QTEST_MAIN(tst_helpers_each)
namespace {
template <class Sequence>
template<class Sequence>
struct SequenceTester
{
static void exec()
@ -108,9 +108,8 @@ void tst_helpers_each::delayedFulfilled()
void tst_helpers_each::delayedRejected()
{
auto p = QtPromise::each(QVector<int>{42, 43, 44}, [](int v, ...) {
return QPromise<int>{[&](
const QPromiseResolve<int>& resolve,
const QPromiseReject<int>& reject) {
return QPromise<int>{
[&](const QPromiseResolve<int>& resolve, const QPromiseReject<int>& reject) {
QtPromisePrivate::qtpromise_defer([=]() {
if (v == 43) {
reject(QString{"foo"});

7
tests/auto/qtpromise/helpers/tst_filter.cpp
View File

@ -33,7 +33,7 @@ QTEST_MAIN(tst_helpers_filter)
namespace {
template <class Sequence>
template<class Sequence>
struct SequenceTester
{
static void exec()
@ -87,9 +87,8 @@ void tst_helpers_filter::delayedFulfilled()
void tst_helpers_filter::delayedRejected()
{
auto p = QtPromise::filter(QVector<int>{42, 43, 44}, [](int v, ...) {
return QPromise<bool>{[&](
const QPromiseResolve<bool>& resolve,
const QPromiseReject<bool>& reject) {
return QPromise<bool>{
[&](const QPromiseResolve<bool>& resolve, const QPromiseReject<bool>& reject) {
QtPromisePrivate::qtpromise_defer([=]() {
if (v == 44) {
reject(QString{"foo"});

7
tests/auto/qtpromise/helpers/tst_map.cpp
View File

@ -33,7 +33,7 @@ QTEST_MAIN(tst_helpers_map)
namespace {
template <class Sequence>
template<class Sequence>
struct SequenceTester
{
static void exec()
@ -96,9 +96,8 @@ void tst_helpers_map::delayedFulfilled()
void tst_helpers_map::delayedRejected()
{
auto p = QtPromise::map(QVector<int>{42, 43, 44}, [](int v, ...) {
return QPromise<int>{[&](
const QPromiseResolve<int>& resolve,
const QPromiseReject<int>& reject) {
return QPromise<int>{
[&](const QPromiseResolve<int>& resolve, const QPromiseReject<int>& reject) {
QtPromisePrivate::qtpromise_defer([=]() {
if (v == 43) {
reject(QString{"foo"});

77
tests/auto/qtpromise/helpers/tst_reduce.cpp
View File

@ -34,16 +34,14 @@ QTEST_MAIN(tst_helpers_reduce)
namespace {
template <class Sequence>
template<class Sequence>
struct SequenceTester
{
static void exec()
{
Sequence inputs{
QtPromise::resolve(4).delay(400),
Sequence inputs{QtPromise::resolve(4).delay(400),
QtPromise::resolve(6).delay(300),
QtPromise::resolve(8).delay(200)
};
QtPromise::resolve(8).delay(200)};
QVector<int> v0;
QVector<int> v1;
@ -51,10 +49,13 @@ struct SequenceTester
v0 << acc << cur << idx;
return acc + cur + idx;
});
auto p1 = QtPromise::reduce(inputs, [&](int acc, int cur, int idx) {
auto p1 = QtPromise::reduce(
inputs,
[&](int acc, int cur, int idx) {
v1 << acc << cur << idx;
return acc + cur + idx;
}, QtPromise::resolve(2).delay(100));
},
QtPromise::resolve(2).delay(100));
Q_STATIC_ASSERT((std::is_same<decltype(p0), QPromise<int>>::value));
Q_STATIC_ASSERT((std::is_same<decltype(p1), QPromise<int>>::value));
@ -74,10 +75,13 @@ void tst_helpers_reduce::emptySequence()
{
bool called = false;
auto p = QtPromise::reduce(QVector<int>{}, [&](...) {
auto p = QtPromise::reduce(
QVector<int>{},
[&](...) {
called = true;
return 43;
}, 42);
},
42);
// NOTE(SB): reduce() on an empty sequence without an initial value is an error!
@ -97,10 +101,13 @@ void tst_helpers_reduce::regularValues()
v0 << acc << cur << idx;
return acc + cur + idx;
});
auto p1 = QtPromise::reduce(inputs, [&](int acc, int cur, int idx) {
auto p1 = QtPromise::reduce(
inputs,
[&](int acc, int cur, int idx) {
v1 << acc << cur << idx;
return acc + cur + idx;
}, 2);
},
2);
Q_STATIC_ASSERT((std::is_same<decltype(p0), QPromise<int>>::value));
Q_STATIC_ASSERT((std::is_same<decltype(p1), QPromise<int>>::value));
@ -115,11 +122,9 @@ void tst_helpers_reduce::regularValues()
void tst_helpers_reduce::promiseValues()
{
QVector<QPromise<int>> inputs{
QtPromise::resolve(4).delay(400),
QVector<QPromise<int>> inputs{QtPromise::resolve(4).delay(400),
QtPromise::resolve(6).delay(300),
QtPromise::resolve(8).delay(200)
};
QtPromise::resolve(8).delay(200)};
QVector<int> v0;
QVector<int> v1;
@ -127,10 +132,13 @@ void tst_helpers_reduce::promiseValues()
v0 << acc << cur << idx;
return acc + cur + idx;
});
auto p1 = QtPromise::reduce(inputs, [&](int acc, int cur, int idx) {
auto p1 = QtPromise::reduce(
inputs,
[&](int acc, int cur, int idx) {
v1 << acc << cur << idx;
return acc + cur + idx;
}, 2);
},
2);
Q_STATIC_ASSERT((std::is_same<decltype(p0), QPromise<int>>::value));
Q_STATIC_ASSERT((std::is_same<decltype(p1), QPromise<int>>::value));
@ -147,9 +155,12 @@ void tst_helpers_reduce::convertResultType()
{
QVector<int> inputs{4, 6, 8};
auto p = QtPromise::reduce(inputs, [&](const QString& acc, int cur, int idx) {
auto p = QtPromise::reduce(
inputs,
[&](const QString& acc, int cur, int idx) {
return QString{"%1:%2:%3"}.arg(acc).arg(cur).arg(idx);
}, QString{"foo"});
},
QString{"foo"});
// NOTE(SB): when no initial value is given, the result type is the sequence type.
@ -163,10 +174,13 @@ void tst_helpers_reduce::delayedInitialValue()
{
QVector<int> values;
auto p = QtPromise::reduce(QVector<int>{4, 6, 8}, [&](int acc, int cur, int idx) {
auto p = QtPromise::reduce(
QVector<int>{4, 6, 8},
[&](int acc, int cur, int idx) {
values << acc << cur << idx;
return acc + cur + idx;
}, QtPromise::resolve(2).delay(100));
},
QtPromise::resolve(2).delay(100));
Q_STATIC_ASSERT((std::is_same<decltype(p), QPromise<int>>::value));
@ -185,10 +199,13 @@ void tst_helpers_reduce::delayedFulfilled()
v0 << acc << cur << idx;
return QtPromise::resolve(acc + cur + idx).delay(100);
});
auto p1 = QtPromise::reduce(inputs, [&](int acc, int cur, int idx) {
auto p1 = QtPromise::reduce(
inputs,
[&](int acc, int cur, int idx) {
v1 << acc << cur << idx;
return QtPromise::resolve(acc + cur + idx).delay(100);
}, 2);
},
2);
Q_STATIC_ASSERT((std::is_same<decltype(p0), QPromise<int>>::value));
Q_STATIC_ASSERT((std::is_same<decltype(p1), QPromise<int>>::value));
@ -214,13 +231,16 @@ void tst_helpers_reduce::delayedRejected()
}
return QtPromise::resolve(acc + cur + idx);
});
auto p1 = QtPromise::reduce(inputs, [&](int acc, int cur, int idx) {
auto p1 = QtPromise::reduce(
inputs,
[&](int acc, int cur, int idx) {
v1 << acc << cur << idx;
if (cur == 6) {
return QPromise<int>::reject(QString{"bar"});
}
return QtPromise::resolve(acc + cur + idx);
}, 2);
},
2);
Q_STATIC_ASSERT((std::is_same<decltype(p0), QPromise<int>>::value));
Q_STATIC_ASSERT((std::is_same<decltype(p1), QPromise<int>>::value));
@ -246,13 +266,16 @@ void tst_helpers_reduce::functorThrows()
}
return acc + cur + idx;
});
auto p1 = QtPromise::reduce(inputs, [&](int acc, int cur, int idx) {
auto p1 = QtPromise::reduce(
inputs,
[&](int acc, int cur, int idx) {
v1 << acc << cur << idx;
if (cur == 6) {
throw QString{"bar"};
}
return acc + cur + idx;
}, 2);
},
2);
Q_STATIC_ASSERT((std::is_same<decltype(p0), QPromise<int>>::value));
Q_STATIC_ASSERT((std::is_same<decltype(p1), QPromise<int>>::value));

12
tests/auto/qtpromise/helpers/tst_resolve.cpp
View File

@ -8,8 +8,8 @@
#include "../shared/data.h"
#include "../shared/utils.h"
#include <QtPromise>
#include <QtConcurrent>
#include <QtPromise>
#include <QtTest>
#include <memory>
@ -175,7 +175,7 @@ void tst_helpers_resolve::stdSharedPtr()
void tst_helpers_resolve::typedPromise()
{
auto resolver = [](const QPromiseResolve<int>& resolve) {
QtPromisePrivate::qtpromise_defer([=](){
QtPromisePrivate::qtpromise_defer([=]() {
resolve(42);
});
};
@ -202,7 +202,7 @@ void tst_helpers_resolve::typedPromise()
void tst_helpers_resolve::voidPromise()
{
auto resolver = [](const QPromiseResolve<void>& resolve) {
QtPromisePrivate::qtpromise_defer([=](){
QtPromisePrivate::qtpromise_defer([=]() {
resolve();
});
};
@ -228,7 +228,9 @@ void tst_helpers_resolve::voidPromise()
void tst_helpers_resolve::typedFuture()
{
auto fn = [](){ return 42; };
auto fn = []() {
return 42;
};
QFuture<int> v0 = QtConcurrent::run(fn);
const QFuture<int> v1 = v0;
@ -250,7 +252,7 @@ void tst_helpers_resolve::typedFuture()
void tst_helpers_resolve::voidFuture()
{
auto fn = [](){ };
auto fn = []() {};
QFuture<void> v0 = QtConcurrent::run(fn);
const QFuture<void> v1 = v0;

75
tests/auto/qtpromise/internals/tst_argsof.cpp
View File

@ -45,25 +45,70 @@ namespace {
const float kRes = 0.42f;
float fnNoArg() { return kRes; }
float fnOneArg(float v) { return v; }
float fnManyArgs(const float& v0, int, char*) { return v0; }
float fnNoArg()
{
return kRes;
}
float fnOneArg(float v)
{
return v;
}
float fnManyArgs(const float& v0, int, char*)
{
return v0;
}
struct OpNoArg { float operator()() { return kRes; } };
struct OpOneArg { float operator()(float v) { return v; } };
struct OpManyArgs { float operator()(const float& v, int, char*) { return v; } };
struct OpNoArg
{
float operator()() { return kRes; }
};
struct OpOneArg
{
float operator()(float v) { return v; }
};
struct OpManyArgs
{
float operator()(const float& v, int, char*) { return v; }
};
struct OpCNoArg { float operator()() const { return kRes; } };
struct OpCOneArg { float operator()(float v) const { return v; } };
struct OpCManyArgs { float operator()(const float& v, int, char*) const { return v; } };
struct OpCNoArg
{
float operator()() const { return kRes; }
};
struct OpCOneArg
{
float operator()(float v) const { return v; }
};
struct OpCManyArgs
{
float operator()(const float& v, int, char*) const { return v; }
};
struct OpVNoArg { float operator()() volatile { return kRes; } };
struct OpVOneArg { float operator()(float v) volatile { return v; } };
struct OpVManyArgs { float operator()(const float& v, int, char*) volatile { return v; } };
struct OpVNoArg
{
float operator()() volatile { return kRes; }
};
struct OpVOneArg
{
float operator()(float v) volatile { return v; }
};
struct OpVManyArgs
{
float operator()(const float& v, int, char*) volatile { return v; }
};
struct OpCVNoArg { float operator()() const volatile { return kRes; } };
struct OpCVOneArg { float operator()(float v) const volatile { return v; } };
struct OpCVManyArgs { float operator()(const float& v, int, char*) const volatile { return v; } };
struct OpCVNoArg
{
float operator()() const volatile { return kRes; }
};
struct OpCVOneArg
{
float operator()(float v) const volatile { return v; }
};
struct OpCVManyArgs
{
float operator()(const float& v, int, char*) const volatile { return v; }
};
} // namespace

15
tests/auto/qtpromise/qpromise/tst_construct.cpp
View File

@ -270,11 +270,11 @@ void tst_qpromise_construct::connectAndResolve()
std::weak_ptr<int> wptr;
{
auto p = QPromise<std::shared_ptr<int>>{[&](
const QPromiseResolve<std::shared_ptr<int>>& resolve,
auto p =
QPromise<std::shared_ptr<int>>{[&](const QPromiseResolve<std::shared_ptr<int>>& resolve,
const QPromiseReject<std::shared_ptr<int>>& reject) {
connect(object.data(), &QObject::objectNameChanged,
connect(object.data(),
&QObject::objectNameChanged,
[=, &wptr](const QString& name) {
auto sptr = std::make_shared<int>(42);
@ -307,12 +307,9 @@ void tst_qpromise_construct::connectAndReject()
std::weak_ptr<int> wptr;
{
auto p = QPromise<int>{[&](
const QPromiseResolve<int>& resolve,
auto p = QPromise<int>{[&](const QPromiseResolve<int>& resolve,
const QPromiseReject<int>& reject) {
connect(object.data(), &QObject::objectNameChanged,
[=, &wptr](const QString& name) {
connect(object.data(), &QObject::objectNameChanged, [=, &wptr](const QString& name) {
auto sptr = std::make_shared<int>(42);
wptr = sptr;

29
tests/auto/qtpromise/qpromise/tst_each.cpp
View File

@ -32,36 +32,34 @@ QTEST_MAIN(tst_qpromise_each)
namespace {
template <class Sequence>
template<class Sequence>
struct SequenceTester
{
static void exec()
{
QVector<int> values;
auto p = QtPromise::resolve(Sequence{42, 43, 44}).each([&](int v, int i) {
auto p = QtPromise::resolve(Sequence{42, 43, 44})
.each([&](int v, int i) {
values << i << v;
}).each([&](int v, ...) {
})
.each([&](int v, ...) {
values << v;
return QString{"foo"};
}).each([&](int v, ...) {
})
.each([&](int v, ...) {
values << v + 1;
return QtPromise::resolve(QString{"foo"}).then([&](){
return QtPromise::resolve(QString{"foo"}).then([&]() {
values << -1;
});
}).each([&](int v, ...) {
})
.each([&](int v, ...) {
values << v + 2;
});
Q_STATIC_ASSERT((std::is_same<decltype(p), QPromise<Sequence>>::value));
QCOMPARE(waitForValue(p, Sequence{}), (Sequence{42, 43, 44}));
QVector<int> expected{
0, 42, 1, 43, 2, 44,
42, 43, 44,
43, 44, 45,
-1, -1, -1,
44, 45, 46
};
QVector<int> expected{0, 42, 1, 43, 2, 44, 42, 43, 44, 43, 44, 45, -1, -1, -1, 44, 45, 46};
QCOMPARE(values, expected);
}
};
@ -124,9 +122,8 @@ void tst_qpromise_each::delayedFulfilled()
void tst_qpromise_each::delayedRejected()
{
auto p = QPromise<QVector<int>>::resolve({42, 43, 44}).each([](int v, ...) {
return QPromise<int>{[&](
const QPromiseResolve<int>& resolve,
const QPromiseReject<int>& reject) {
return QPromise<int>{
[&](const QPromiseResolve<int>& resolve, const QPromiseReject<int>& reject) {
QtPromisePrivate::qtpromise_defer([=]() {
if (v == 44) {
reject(QString{"foo"});

89
tests/auto/qtpromise/qpromise/tst_fail.cpp
View File

@ -36,18 +36,28 @@ const QString kErr{"0.42"};
const float kRes = 0.42f;
const float kFail = -1.f;
float fnNoArg() { return kErr.toFloat(); }
float fnArgByVal(QString e) { return e.toFloat(); }
float fnArgByRef(const QString& e) { return e.toFloat(); }
float fnNoArg()
{
return kErr.toFloat();
}
float fnArgByVal(QString e)
{
return e.toFloat();
}
float fnArgByRef(const QString& e)
{
return e.toFloat();
}
class Klass {
class Klass
{
public: // STATICS
static float kFnNoArg() { return kErr.toFloat(); }
static float kFnArgByVal(QString e) { return e.toFloat(); }
static float kFnArgByRef(const QString& e) { return e.toFloat(); }
public:
Klass(float v) : m_v{v} {}
Klass(float v) : m_v{v} { }
float fnNoArg() const { return m_v; }
float fnArgByVal(QString v) const { return v.toFloat() + m_v; }
@ -68,13 +78,16 @@ void tst_qpromise_fail::sameType()
p.fail([&](const std::domain_error& e) {
error += QString{e.what()} + "0";
return -1;
}).fail([&](const std::out_of_range& e) {
})
.fail([&](const std::out_of_range& e) {
error += QString{e.what()} + "1";
return -1;
}).fail([&](const std::exception& e) {
})
.fail([&](const std::exception& e) {
error += QString{e.what()} + "2";
return -1;
}).wait();
})
.wait();
QCOMPARE(error, QString{"foo1"});
}
@ -88,13 +101,16 @@ void tst_qpromise_fail::baseClass()
p.fail([&](const std::runtime_error& e) {
error += QString{e.what()} + "0";
return -1;
}).fail([&](const std::logic_error& e) {
})
.fail([&](const std::logic_error& e) {
error += QString{e.what()} + "1";
return -1;
}).fail([&](const std::exception& e) {
})
.fail([&](const std::exception& e) {
error += QString{e.what()} + "2";
return -1;
}).wait();
})
.wait();
QCOMPARE(error, QString{"foo1"});
}
@ -107,13 +123,16 @@ void tst_qpromise_fail::catchAll()
p.fail([&](const std::runtime_error& e) {
error += QString{e.what()} + "0";
return -1;
}).fail([&]() {
})
.fail([&]() {
error += "bar";
return -1;
}).fail([&](const std::exception& e) {
})
.fail([&](const std::exception& e) {
error += QString{e.what()} + "2";
return -1;
}).wait();
})
.wait();
QCOMPARE(error, QString{"bar"});
}
@ -172,7 +191,8 @@ void tst_qpromise_fail::stdFunctionHandlers()
{ // rvalue.
auto p0 = QPromise<float>::reject(kErr).fail(std::function<float()>{fnNoArg});
auto p1 = QPromise<float>::reject(kErr).fail(std::function<float(QString)>{fnArgByVal});
auto p2 = QPromise<float>::reject(kErr).fail(std::function<float(const QString&)>{fnArgByRef});
auto p2 =
QPromise<float>::reject(kErr).fail(std::function<float(const QString&)>{fnArgByRef});
QCOMPARE(waitForValue(p0, kFail), kRes);
QCOMPARE(waitForValue(p1, kFail), kRes);
@ -190,7 +210,8 @@ void tst_qpromise_fail::stdBindHandlers()
const std::function<float()> bindNoArg = std::bind(&Klass::fnNoArg, &obj);
const std::function<float(QString)> bindArgByVal = std::bind(&Klass::fnArgByVal, &obj, _1);
const std::function<float(const QString&)> bindArgByRef = std::bind(&Klass::fnArgByRef, &obj, _1);
const std::function<float(const QString&)> bindArgByRef =
std::bind(&Klass::fnArgByRef, &obj, _1);
auto p0 = QPromise<float>::reject(kErr).fail(bindNoArg);
auto p1 = QPromise<float>::reject(kErr).fail(bindArgByVal);
@ -204,9 +225,15 @@ void tst_qpromise_fail::stdBindHandlers()
void tst_qpromise_fail::lambdaHandlers()
{
{ // lvalue.
auto lambdaNoArg = []() { return kRes; };
auto lambdaArgByVal = [](QString v) { return v.toFloat(); };
auto lambdaArgByRef = [](const QString& v) { return v.toFloat(); };
auto lambdaNoArg = []() {
return kRes;
};
auto lambdaArgByVal = [](QString v) {
return v.toFloat();
};
auto lambdaArgByRef = [](const QString& v) {
return v.toFloat();
};
auto p0 = QPromise<float>::reject(kErr).fail(lambdaNoArg);
auto p1 = QPromise<float>::reject(kErr).fail(lambdaArgByVal);
@ -217,9 +244,15 @@ void tst_qpromise_fail::lambdaHandlers()
QCOMPARE(waitForValue(p2, kFail), kRes);
}
{ // const lvalue.
const auto lambdaNoArg = []() { return kRes; };
const auto lambdaArgByVal = [](QString v) { return v.toFloat(); };
const auto lambdaArgByRef = [](const QString& v) { return v.toFloat(); };
const auto lambdaNoArg = []() {
return kRes;
};
const auto lambdaArgByVal = [](QString v) {
return v.toFloat();
};
const auto lambdaArgByRef = [](const QString& v) {
return v.toFloat();
};
auto p0 = QPromise<float>::reject(kErr).fail(lambdaNoArg);
auto p1 = QPromise<float>::reject(kErr).fail(lambdaArgByVal);
@ -230,9 +263,15 @@ void tst_qpromise_fail::lambdaHandlers()
QCOMPARE(waitForValue(p2, kFail), kRes);
}
{ // rvalue.
auto p0 = QPromise<float>::reject(kErr).fail([]() { return kRes; });
auto p1 = QPromise<float>::reject(kErr).fail([](QString v) { return v.toFloat(); });
auto p2 = QPromise<float>::reject(kErr).fail([](const QString& v) { return v.toFloat(); });
auto p0 = QPromise<float>::reject(kErr).fail([]() {
return kRes;
});
auto p1 = QPromise<float>::reject(kErr).fail([](QString v) {
return v.toFloat();
});
auto p2 = QPromise<float>::reject(kErr).fail([](const QString& v) {
return v.toFloat();
});
QCOMPARE(waitForValue(p0, kFail), kRes);
QCOMPARE(waitForValue(p1, kFail), kRes);

18
tests/auto/qtpromise/qpromise/tst_filter.cpp
View File

@ -33,18 +33,19 @@ QTEST_MAIN(tst_qpromise_filter)
namespace {
template <class Sequence>
template<class Sequence>
struct SequenceTester
{
static void exec()
{
auto p = QtPromise::resolve(Sequence{
42, 43, 44, 45, 46, 47, 48, 49, 50, 51
}).filter([](int v, ...) {
auto p = QtPromise::resolve(Sequence{42, 43, 44, 45, 46, 47, 48, 49, 50, 51})
.filter([](int v, ...) {
return v > 42 && v < 51;
}).filter([](int, int i) {
})
.filter([](int, int i) {
return QPromise<bool>::resolve(i % 2 == 0);
}).filter([](int v, ...) {
})
.filter([](int v, ...) {
return v != 45;
});
@ -92,9 +93,8 @@ void tst_qpromise_filter::delayedFulfilled()
void tst_qpromise_filter::delayedRejected()
{
auto p = QPromise<QVector<int>>::resolve({42, 43, 44}).filter([](int v, ...) {
return QPromise<bool>{[&](
const QPromiseResolve<bool>& resolve,
const QPromiseReject<bool>& reject) {
return QPromise<bool>{
[&](const QPromiseResolve<bool>& resolve, const QPromiseReject<bool>& reject) {
QtPromisePrivate::qtpromise_defer([=]() {
if (v == 43) {
reject(QString{"foo"});

22
tests/auto/qtpromise/qpromise/tst_map.cpp
View File

@ -33,23 +33,28 @@ QTEST_MAIN(tst_qpromise_map)
namespace {
template <class Sequence>
template<class Sequence>
struct SequenceTester
{
static void exec()
{
auto p = QtPromise::resolve(Sequence{42, 43, 44}).map([](int v, ...) {
auto p = QtPromise::resolve(Sequence{42, 43, 44})
.map([](int v, ...) {
return QString::number(v + 1);
}).map([](const QString& v, int i) {
})
.map([](const QString& v, int i) {
return QtPromise::resolve(QString{"%1:%2"}.arg(i).arg(v));
}).map([](const QString& v, ...) {
})
.map([](const QString& v, ...) {
return QtPromise::resolve((v + "!").toUtf8());
}).map([](const QByteArray& v, ...) {
})
.map([](const QByteArray& v, ...) {
return QString::fromUtf8(v);
});
Q_STATIC_ASSERT((std::is_same<decltype(p), QPromise<QVector<QString>>>::value));
QCOMPARE(waitForValue(p, QVector<QString>{}), (QVector<QString>{"0:43!", "1:44!", "2:45!"}));
QCOMPARE(waitForValue(p, QVector<QString>{}),
(QVector<QString>{"0:43!", "1:44!", "2:45!"}));
}
};
@ -102,9 +107,8 @@ void tst_qpromise_map::delayedFulfilled()
void tst_qpromise_map::delayedRejected()
{
auto p = QtPromise::resolve(QVector<int>{42, 43, 44}).map([](int v, ...) {
return QPromise<int>{[&](
const QPromiseResolve<int>& resolve,
const QPromiseReject<int>& reject) {
return QPromise<int>{
[&](const QPromiseResolve<int>& resolve, const QPromiseReject<int>& reject) {
QtPromisePrivate::qtpromise_defer([=]() {
if (v == 43) {
reject(QString{"foo"});

4
tests/auto/qtpromise/qpromise/tst_operators.cpp
View File

@ -204,7 +204,7 @@ void tst_qpromise_operators::notEqualTo_void()
void tst_qpromise_operators::chaining()
{
auto p = QPromise<int>::resolve(1);
for (int i=0; i<4; ++i) {
for (int i = 0; i < 4; ++i) {
p = p.then([](int res) {
return QPromise<int>::resolve(res * 2);
});
@ -220,7 +220,7 @@ void tst_qpromise_operators::chaining_void()
auto p = QPromise<void>::resolve();
for (int i=0; i<4; ++i) {
for (int i = 0; i < 4; ++i) {
p = p.then([i, &values]() {
values.append(i * 2);
return QPromise<void>::resolve();

70
tests/auto/qtpromise/qpromise/tst_reduce.cpp
View File

@ -34,16 +34,14 @@ QTEST_MAIN(tst_qpromise_reduce)
namespace {
template <class Sequence>
template<class Sequence>
struct SequenceTester
{
static void exec()
{
Sequence inputs{
QtPromise::resolve(4).delay(400),
Sequence inputs{QtPromise::resolve(4).delay(400),
QtPromise::resolve(6).delay(300),
QtPromise::resolve(8).delay(200)
};
QtPromise::resolve(8).delay(200)};
QVector<int> v0;
QVector<int> v1;
@ -51,10 +49,12 @@ struct SequenceTester
v0 << acc << cur << idx;
return acc + cur + idx;
});
auto p1 = QtPromise::resolve(inputs).reduce([&](int acc, int cur, int idx) {
auto p1 = QtPromise::resolve(inputs).reduce(
[&](int acc, int cur, int idx) {
v1 << acc << cur << idx;
return acc + cur + idx;
}, QtPromise::resolve(2).delay(100));
},
QtPromise::resolve(2).delay(100));
Q_STATIC_ASSERT((std::is_same<decltype(p0), QPromise<int>>::value));
Q_STATIC_ASSERT((std::is_same<decltype(p1), QPromise<int>>::value));
@ -74,10 +74,13 @@ void tst_qpromise_reduce::emptySequence()
{
bool called = false;
auto p = QtPromise::resolve(QVector<int>{}).reduce([&](...) {
auto p = QtPromise::resolve(QVector<int>{})
.reduce(
[&](...) {
called = true;
return 43;
}, 42);
},
42);
// NOTE(SB): reduce() on an empty sequence without an initial value is an error!
@ -97,10 +100,12 @@ void tst_qpromise_reduce::regularValues()
v0 << acc << cur << idx;
return acc + cur + idx;
});
auto p1 = QtPromise::resolve(inputs).reduce([&](int acc, int cur, int idx) {
auto p1 = QtPromise::resolve(inputs).reduce(
[&](int acc, int cur, int idx) {
v1 << acc << cur << idx;
return acc + cur + idx;
}, 2);
},
2);
Q_STATIC_ASSERT((std::is_same<decltype(p0), QPromise<int>>::value));
Q_STATIC_ASSERT((std::is_same<decltype(p1), QPromise<int>>::value));
@ -115,11 +120,9 @@ void tst_qpromise_reduce::regularValues()
void tst_qpromise_reduce::promiseValues()
{
QVector<QPromise<int>> inputs{
QtPromise::resolve(4).delay(400),
QVector<QPromise<int>> inputs{QtPromise::resolve(4).delay(400),
QtPromise::resolve(6).delay(300),
QtPromise::resolve(8).delay(200)
};
QtPromise::resolve(8).delay(200)};
QVector<int> v0;
QVector<int> v1;
@ -127,10 +130,12 @@ void tst_qpromise_reduce::promiseValues()
v0 << acc << cur << idx;
return acc + cur + idx;
});
auto p1 = QtPromise::resolve(inputs).reduce([&](int acc, int cur, int idx) {
auto p1 = QtPromise::resolve(inputs).reduce(
[&](int acc, int cur, int idx) {
v1 << acc << cur << idx;
return acc + cur + idx;
}, 2);
},
2);
Q_STATIC_ASSERT((std::is_same<decltype(p0), QPromise<int>>::value));
Q_STATIC_ASSERT((std::is_same<decltype(p1), QPromise<int>>::value));
@ -147,9 +152,11 @@ void tst_qpromise_reduce::convertResultType()
{
QVector<int> inputs{4, 6, 8};
auto p = QtPromise::resolve(inputs).reduce([&](const QString& acc, int cur, int idx) {
auto p = QtPromise::resolve(inputs).reduce(
[&](const QString& acc, int cur, int idx) {
return QString{"%1:%2:%3"}.arg(acc).arg(cur).arg(idx);
}, QString{"foo"});
},
QString{"foo"});
// NOTE(SB): when no initial value is given, the result type is the sequence type.
@ -163,10 +170,13 @@ void tst_qpromise_reduce::delayedInitialValue()
{
QVector<int> values;
auto p = QtPromise::resolve(QVector<int>{4, 6, 8}).reduce([&](int acc, int cur, int idx) {
auto p = QtPromise::resolve(QVector<int>{4, 6, 8})
.reduce(
[&](int acc, int cur, int idx) {
values << acc << cur << idx;
return acc + cur + idx;
}, QtPromise::resolve(2).delay(100));
},
QtPromise::resolve(2).delay(100));
Q_STATIC_ASSERT((std::is_same<decltype(p), QPromise<int>>::value));
@ -185,10 +195,12 @@ void tst_qpromise_reduce::delayedFulfilled()
v0 << acc << cur << idx;
return QtPromise::resolve(acc + cur + idx).delay(100);
});
auto p1 = QtPromise::resolve(inputs).reduce([&](int acc, int cur, int idx) {
auto p1 = QtPromise::resolve(inputs).reduce(
[&](int acc, int cur, int idx) {
v1 << acc << cur << idx;
return QtPromise::resolve(acc + cur + idx).delay(100);
}, 2);
},
2);
Q_STATIC_ASSERT((std::is_same<decltype(p0), QPromise<int>>::value));
Q_STATIC_ASSERT((std::is_same<decltype(p1), QPromise<int>>::value));
@ -214,13 +226,15 @@ void tst_qpromise_reduce::delayedRejected()
}
return QtPromise::resolve(acc + cur + idx);
});
auto p1 = QtPromise::resolve(inputs).reduce([&](int acc, int cur, int idx) {
auto p1 = QtPromise::resolve(inputs).reduce(
[&](int acc, int cur, int idx) {
v1 << acc << cur << idx;
if (cur == 6) {
return QPromise<int>::reject(QString{"bar"});
}
return QtPromise::resolve(acc + cur + idx);
}, 2);
},
2);
Q_STATIC_ASSERT((std::is_same<decltype(p0), QPromise<int>>::value));
Q_STATIC_ASSERT((std::is_same<decltype(p1), QPromise<int>>::value));
@ -246,13 +260,15 @@ void tst_qpromise_reduce::functorThrows()
}
return acc + cur + idx;
});
auto p1 = QtPromise::resolve(inputs).reduce([&](int acc, int cur, int idx) {
auto p1 = QtPromise::resolve(inputs).reduce(
[&](int acc, int cur, int idx) {
v1 << acc << cur << idx;
if (cur == 6) {
throw QString{"bar"};
}
return acc + cur + idx;
}, 2);
},
2);
Q_STATIC_ASSERT((std::is_same<decltype(p0), QPromise<int>>::value));
Q_STATIC_ASSERT((std::is_same<decltype(p1), QPromise<int>>::value));

28
tests/auto/qtpromise/qpromise/tst_tapfail.cpp
View File

@ -58,13 +58,11 @@ void tst_qpromise_tapfail::rejected()
{
QStringList errors;
auto p0 = QPromise<int>::reject(QString{"foo"})
.tapFail([&](const QString& err) {
auto p0 = QPromise<int>::reject(QString{"foo"}).tapFail([&](const QString& err) {
errors << "1:" + err;
});
auto p1 = p0
.fail([&](const QString& err) {
auto p1 = p0.fail([&](const QString& err) {
errors << "2:" + err;
return 43;
});
@ -80,13 +78,11 @@ void tst_qpromise_tapfail::rejected_void()
{
QStringList errors;
auto p0 = QPromise<void>::reject(QString{"foo"})
.tapFail([&](const QString& err) {
auto p0 = QPromise<void>::reject(QString{"foo"}).tapFail([&](const QString& err) {
errors << "1:" + err;
});
auto p1 = p0
.fail([&](const QString& err) {
auto p1 = p0.fail([&](const QString& err) {
errors << "2:" + err;
});
@ -99,8 +95,7 @@ void tst_qpromise_tapfail::rejected_void()
void tst_qpromise_tapfail::throws()
{
auto p = QPromise<int>::reject(QString{"foo"})
.tapFail([&]() {
auto p = QPromise<int>::reject(QString{"foo"}).tapFail([&]() {
throw QString{"bar"};
});
@ -110,8 +105,7 @@ void tst_qpromise_tapfail::throws()
void tst_qpromise_tapfail::throws_void()
{
auto p = QPromise<void>::reject(QString{"foo"})
.tapFail([&]() {
auto p = QPromise<void>::reject(QString{"foo"}).tapFail([&]() {
throw QString{"bar"};
});
@ -122,8 +116,7 @@ void tst_qpromise_tapfail::throws_void()
void tst_qpromise_tapfail::delayedResolved()
{
QVector<int> values;
auto p = QPromise<int>::reject(QString{"foo"})
.tapFail([&]() {
auto p = QPromise<int>::reject(QString{"foo"}).tapFail([&]() {
QPromise<void> p{[&](const QPromiseResolve<void>& resolve) {
QtPromisePrivate::qtpromise_defer([=, &values]() {
values << 3;
@ -142,11 +135,8 @@ void tst_qpromise_tapfail::delayedResolved()
void tst_qpromise_tapfail::delayedRejected()
{
QVector<int> values;
auto p = QPromise<int>::reject(QString{"foo"})
.tapFail([&]() {
QPromise<void> p{[&](
const QPromiseResolve<void>&,
const QPromiseReject<void>& reject){
auto p = QPromise<int>::reject(QString{"foo"}).tapFail([&]() {
QPromise<void> p{[&](const QPromiseResolve<void>&, const QPromiseReject<void>& reject) {
QtPromisePrivate::qtpromise_defer([=, &values]() {
values << 3;
reject(QString{"bar"});

79
tests/auto/qtpromise/qpromise/tst_then.cpp
View File

@ -39,18 +39,28 @@ namespace {
const float kRes = 0.42f;
const float kFail = -1.f;
float fnNoArg() { return kRes; }
float fnArgByVal(float v) { return v; }
float fnArgByRef(const float& v) { return v; }
float fnNoArg()
{
return kRes;
}
float fnArgByVal(float v)
{
return v;
}
float fnArgByRef(const float& v)
{
return v;
}
class Klass {
class Klass
{
public: // STATICS
static float kFnNoArg() { return kRes; }
static float kFnArgByVal(float v) { return v; }
static float kFnArgByRef(const float& v) { return v; }
public:
Klass(float v) : m_v{v} {}
Klass(float v) : m_v{v} { }
float fnNoArg() const { return m_v; }
float fnArgByVal(float v) const { return v + m_v; }
@ -69,14 +79,17 @@ void tst_qpromise_then::resolveSync()
auto input = QPromise<int>::resolve(42);
auto output = input.then([&](int res) {
values << res;
return QString::number(res+1);
return QString::number(res + 1);
});
output.then([&](const QString& res) {
output
.then([&](const QString& res) {
values << res;
}).then([&]() {
})
.then([&]() {
values << 44;
}).wait();
})
.wait();
QCOMPARE(values, (QVariantList{42, QString{"43"}, 44}));
QCOMPARE(input.isFulfilled(), true);
@ -107,11 +120,14 @@ void tst_qpromise_then::rejectSync()
});
QString error;
output.then([&](int res) {
output
.then([&](int res) {
error += "bar" + QString::number(res);
}).fail([&](const QString& err) {
})
.fail([&](const QString& err) {
error += err;
}).wait();
})
.wait();
QCOMPARE(error, QString{"foo42"});
QCOMPARE(input.isFulfilled(), true);
@ -121,7 +137,8 @@ void tst_qpromise_then::rejectSync()
void tst_qpromise_then::rejectAsync()
{
auto p = QPromise<int>::resolve(42).then([](int res) {
return QPromise<void>{[=](const QPromiseResolve<void>&, const QPromiseReject<void>& reject) {
return QPromise<void>{
[=](const QPromiseResolve<void>&, const QPromiseReject<void>& reject) {
QtPromisePrivate::qtpromise_defer([=]() {
reject(QString{"foo%1"}.arg(res));
});
@ -248,9 +265,15 @@ void tst_qpromise_then::stdBindHandlers()
void tst_qpromise_then::lambdaHandlers()
{
{ // lvalue.
auto lambdaNoArg = []() { return kRes; };
auto lambdaArgByVal = [](float v) { return v; };
auto lambdaArgByRef = [](const float& v) { return v; };
auto lambdaNoArg = []() {
return kRes;
};
auto lambdaArgByVal = [](float v) {
return v;
};
auto lambdaArgByRef = [](const float& v) {
return v;
};
auto p0 = QtPromise::resolve().then(lambdaNoArg);
auto p1 = QtPromise::resolve(kRes).then(lambdaArgByVal);
@ -261,9 +284,15 @@ void tst_qpromise_then::lambdaHandlers()
QCOMPARE(waitForValue(p2, kFail), kRes);
}
{ // const lvalue.
const auto lambdaNoArg = []() { return kRes; };
const auto lambdaArgByVal = [](float v) { return v; };
const auto lambdaArgByRef = [](const float& v) { return v; };
const auto lambdaNoArg = []() {
return kRes;
};
const auto lambdaArgByVal = [](float v) {
return v;
};
const auto lambdaArgByRef = [](const float& v) {
return v;
};
auto p0 = QtPromise::resolve().then(lambdaNoArg);
auto p1 = QtPromise::resolve(kRes).then(lambdaArgByVal);
@ -274,9 +303,15 @@ void tst_qpromise_then::lambdaHandlers()
QCOMPARE(waitForValue(p2, kFail), kRes);
}
{ // rvalue.
auto p0 = QtPromise::resolve().then([]() { return kRes; });
auto p1 = QtPromise::resolve(kRes).then([](float v) { return v; });
auto p2 = QtPromise::resolve(kRes).then([](const float& v) { return v; });
auto p0 = QtPromise::resolve().then([]() {
return kRes;
});
auto p1 = QtPromise::resolve(kRes).then([](float v) {
return v;
});
auto p2 = QtPromise::resolve(kRes).then([](const float& v) {
return v;
});
QCOMPARE(waitForValue(p0, kFail), kRes);
QCOMPARE(waitForValue(p1, kFail), kRes);

20
tests/auto/qtpromise/qpromise/tst_timeout.cpp
View File

@ -42,7 +42,8 @@ void tst_qpromise_timeout::fulfilled()
QTimer::singleShot(1000, [=]() {
resolve(42);
});
}}.timeout(2000).finally([&]() {
}}.timeout(2000)
.finally([&]() {
elapsed = timer.elapsed();
});
@ -62,11 +63,11 @@ void tst_qpromise_timeout::rejected()
QTimer::singleShot(1000, [=]() {
reject(QString{"foo"});
});
}}.timeout(2000).finally([&]() {
}}.timeout(2000)
.finally([&]() {
elapsed = timer.elapsed();
});
QCOMPARE(waitForError(p, QString{}), QString{"foo"});
QCOMPARE(p.isRejected(), true);
QVERIFY(elapsed < 2000);
@ -84,7 +85,8 @@ void tst_qpromise_timeout::timeout()
QTimer::singleShot(4000, [=]() {
resolve(42);
});
}}.timeout(2000).finally([&]() {
}}.timeout(2000)
.finally([&]() {
elapsed = timer.elapsed();
});
@ -115,7 +117,8 @@ void tst_qpromise_timeout::fulfilledStdChrono()
QTimer::singleShot(1000, [=]() {
resolve(42);
});
}}.timeout(std::chrono::seconds{2}).finally([&]() {
}}.timeout(std::chrono::seconds{2})
.finally([&]() {
elapsed = timer.elapsed();
});
@ -135,11 +138,11 @@ void tst_qpromise_timeout::rejectedStdChrono()
QTimer::singleShot(1000, [=]() {
reject(QString{"foo"});
});
}}.timeout(std::chrono::seconds{2}).finally([&]() {
}}.timeout(std::chrono::seconds{2})
.finally([&]() {
elapsed = timer.elapsed();
});
QCOMPARE(waitForError(p, QString{}), QString{"foo"});
QCOMPARE(p.isRejected(), true);
QVERIFY(elapsed < 2000);
@ -157,7 +160,8 @@ void tst_qpromise_timeout::timeoutStdChrono()
QTimer::singleShot(4000, [=]() {
resolve(42);
});
}}.timeout(std::chrono::seconds{2}).finally([&]() {
}}.timeout(std::chrono::seconds{2})
.finally([&]() {
elapsed = timer.elapsed();
});

157
tests/auto/qtpromise/requirements/tst_requirements.cpp
View File

@ -44,7 +44,9 @@ void tst_requirements::statePending()
// 2.1.1.1. may transition to either the fulfilled state
{
QPromise<int> p{[&](const QPromiseResolve<int>& resolve) {
QtPromisePrivate::qtpromise_defer([=]() { resolve(42); });
QtPromisePrivate::qtpromise_defer([=]() {
resolve(42);
});
}};
QVERIFY(p.isPending());
@ -61,7 +63,9 @@ void tst_requirements::statePending()
// 2.1.1.1. ... or the rejected state
{
QPromise<int> p{[&](const QPromiseResolve<int>&, const QPromiseReject<int>& reject) {
QtPromisePrivate::qtpromise_defer([=]() { reject(QString{"foo"}); });
QtPromisePrivate::qtpromise_defer([=]() {
reject(QString{"foo"});
});
}};
QVERIFY(p.isPending());
@ -82,9 +86,7 @@ void tst_requirements::stateFulfilled()
int value = -1;
// 2.1.2. When fulfilled, a promise:
QPromise<int> p{[](
const QPromiseResolve<int>& resolve,
const QPromiseReject<int>& reject) {
QPromise<int> p{[](const QPromiseResolve<int>& resolve, const QPromiseReject<int>& reject) {
QtPromisePrivate::qtpromise_defer([=]() {
// 2.1.2.2. must have a value, which must not change.
resolve(42);
@ -97,11 +99,14 @@ void tst_requirements::stateFulfilled()
QVERIFY(p.isPending());
p.then([&](int res) {
p.then(
[&](int res) {
value = res;
}, [&](const QString& err) {
},
[&](const QString& err) {
error = err;
}).wait();
})
.wait();
QVERIFY(p.isFulfilled());
QVERIFY(!p.isRejected());
@ -115,9 +120,7 @@ void tst_requirements::stateRejected()
int value = -1;
// 2.1.3 When rejected, a promise:
QPromise<int> p{[](
const QPromiseResolve<int>& resolve,
const QPromiseReject<int>& reject) {
QPromise<int> p{[](const QPromiseResolve<int>& resolve, const QPromiseReject<int>& reject) {
QtPromisePrivate::qtpromise_defer([=]() {
// 2.1.3.2. must have a reason, which must not change.
reject(QString{"foo"});
@ -130,11 +133,14 @@ void tst_requirements::stateRejected()
QVERIFY(p.isPending());
p.then([&](int res) {
p.then(
[&](int res) {
value = res;
}, [&](const QString& err) {
},
[&](const QString& err) {
error = err;
}).wait();
})
.wait();
QVERIFY(!p.isFulfilled());
QVERIFY(p.isRejected());
@ -148,10 +154,15 @@ void tst_requirements::thenArguments()
{
QString error;
int value = -1;
QPromise<int>::resolve(42).then(
[&](int res) { value = res; },
[&](const QString& err) { error = err; }
).wait();
QPromise<int>::resolve(42)
.then(
[&](int res) {
value = res;
},
[&](const QString& err) {
error = err;
})
.wait();
QVERIFY(error.isEmpty());
QCOMPARE(value, 42);
@ -159,10 +170,15 @@ void tst_requirements::thenArguments()
{
QString error;
int value = -1;
QPromise<int>::reject(QString{"foo"}).then(
[&](int res) { value = res; },
[&](const QString& err){ error = err; }
).wait();
QPromise<int>::reject(QString{"foo"})
.then(
[&](int res) {
value = res;
},
[&](const QString& err) {
error = err;
})
.wait();
QCOMPARE(error, QString{"foo"});
QCOMPARE(value, -1);
@ -171,10 +187,13 @@ void tst_requirements::thenArguments()
// 2.2.1. onFulfilled is an optional arguments:
{
QString error;
QPromise<int>::reject(QString{"foo"}).then(
nullptr,
[&](const QString& err){ error = err; return 42; }
).wait();
QPromise<int>::reject(QString{"foo"})
.then(nullptr,
[&](const QString& err) {
error = err;
return 42;
})
.wait();
QCOMPARE(error, QString{"foo"});
}
@ -182,9 +201,11 @@ void tst_requirements::thenArguments()
// 2.2.1. onRejected is an optional arguments:
{
int value = -1;
QPromise<int>::resolve(42).then(
[&value](int res) { value = res; }
).wait();
QPromise<int>::resolve(42)
.then([&value](int res) {
value = res;
})
.wait();
QCOMPARE(value, 42);
}
@ -206,7 +227,9 @@ void tst_requirements::thenOnFulfilled()
});
}};
auto p1 = p0.then([&](int res) { values << res; });
auto p1 = p0.then([&](int res) {
values << res;
});
// 2.2.2.2. it must not be called before promise is fulfilled.
QVERIFY(p0.isPending());
@ -234,7 +257,9 @@ void tst_requirements::thenOnRejected()
});
}};
auto p1 = p0.then(nullptr, [&](const QString& err) { errors << err; });
auto p1 = p0.then(nullptr, [&](const QString& err) {
errors << err;
});
// 2.2.3.2. it must not be called before promise is rejected.
QVERIFY(p0.isPending());
@ -260,7 +285,9 @@ void tst_requirements::thenAsynchronous()
auto p0 = QPromise<int>::resolve(42);
QVERIFY(p0.isFulfilled());
auto p1 = p0.then([&](int res){ value = res; });
auto p1 = p0.then([&](int res) {
value = res;
});
QVERIFY(p1.isPending());
QCOMPARE(value, -1);
@ -283,11 +310,16 @@ void tst_requirements::thenMultipleCalls()
});
}};
QtPromise::all(QVector<QPromise<void>>{
p.then([&](int r) { values << r + 1; }),
p.then([&](int r) { values << r + 2; }),
p.then([&](int r) { values << r + 3; })
}).wait();
QtPromise::all(QVector<QPromise<void>>{p.then([&](int r) {
values << r + 1;
}),
p.then([&](int r) {
values << r + 2;
}),
p.then([&](int r) {
values << r + 3;
})})
.wait();
QCOMPARE(values, (QVector<int>{43, 44, 45}));
}
@ -302,11 +334,22 @@ void tst_requirements::thenMultipleCalls()
});
}};
QtPromise::all(QVector<QPromise<int>>{
p.then(nullptr, [&](int r) { values << r + 1; return r + 1; }),
p.then(nullptr, [&](int r) { values << r + 2; return r + 2; }),
p.then(nullptr, [&](int r) { values << r + 3; return r + 3; })
}).wait();
QtPromise::all(QVector<QPromise<int>>{p.then(nullptr,
[&](int r) {
values << r + 1;
return r + 1;
}),
p.then(nullptr,
[&](int r) {
values << r + 2;
return r + 2;
}),
p.then(nullptr,
[&](int r) {
values << r + 3;
return r + 3;
})})
.wait();
QCOMPARE(values, (QVector<int>{9, 10, 11}));
}
@ -316,7 +359,9 @@ void tst_requirements::thenHandlers()
{
// 2.2.7. then must return a promise: p2 = p1.then(onFulfilled, onRejected);
{
auto handler = [](){ return 42; };
auto handler = []() {
return 42;
};
auto p1 = QPromise<int>::resolve(42);
Q_STATIC_ASSERT((std::is_same<decltype(p1.then(handler, nullptr)), QPromise<int>>::value));
Q_STATIC_ASSERT((std::is_same<decltype(p1.then(nullptr, handler)), QPromise<int>>::value));
@ -331,8 +376,12 @@ void tst_requirements::thenHandlers()
{
QString reason;
auto p1 = QPromise<int>::resolve(42);
auto p2 = p1.then([](){ throw QString{"foo"}; });
p2.then(nullptr, [&](const QString& e) { reason = e; }).wait();
auto p2 = p1.then([]() {
throw QString{"foo"};
});
p2.then(nullptr, [&](const QString& e) {
reason = e;
}).wait();
QVERIFY(p1.isFulfilled());
QVERIFY(p2.isRejected());
@ -341,8 +390,14 @@ void tst_requirements::thenHandlers()
{
QString reason;
auto p1 = QPromise<int>::reject(QString{"foo"});
auto p2 = p1.then(nullptr, [](){ throw QString{"bar"}; return 42; });
p2.then(nullptr, [&](const QString& e) { reason = e; return 0; }).wait();
auto p2 = p1.then(nullptr, []() {
throw QString{"bar"};
return 42;
});
p2.then(nullptr, [&](const QString& e) {
reason = e;
return 0;
}).wait();
QVERIFY(p1.isRejected());
QVERIFY(p2.isRejected());
@ -354,9 +409,13 @@ void tst_requirements::thenHandlers()
{
QString value;
auto p1 = QPromise<QString>::resolve("42");
auto p2 = p1.then(nullptr, [](){ return QString{}; });
auto p2 = p1.then(nullptr, []() {
return QString{};
});
Q_STATIC_ASSERT((std::is_same<decltype(p2), QPromise<QString>>::value));
p2.then([&](const QString& e) { value = e; }).wait();
p2.then([&](const QString& e) {
value = e;
}).wait();
QVERIFY(p1.isFulfilled());
QVERIFY(p2.isFulfilled());

54
tests/auto/qtpromise/shared/data.h
View File

@ -10,13 +10,15 @@
#include <utility>
struct Logs {
struct Logs
{
int ctor = 0;
int copy = 0;
int move = 0;
int refs = 0;
void reset() {
void reset()
{
ctor = 0;
copy = 0;
move = 0;
@ -26,21 +28,45 @@ struct Logs {
struct Logger
{
Logger() { logs().ctor++; logs().refs++; }
Logger(const Logger&) { logs().copy++; logs().refs++; }
Logger(Logger&&) { logs().move++; logs().refs++; }
Logger()
{
logs().ctor++;
logs().refs++;
}
Logger(const Logger&)
{
logs().copy++;
logs().refs++;
}
Logger(Logger&&)
{
logs().move++;
logs().refs++;
}
~Logger() { logs().refs--; }
Logger& operator=(const Logger&) { logs().copy++; return *this; }
Logger& operator=(Logger&&) { logs().move++; return *this; }
Logger& operator=(const Logger&)
{
logs().copy++;
return *this;
}
Logger& operator=(Logger&&)
{
logs().move++;
return *this;
}
public: // STATICS
static Logs& logs() { static Logs logs; return logs; }
static Logs& logs()
{
static Logs logs;
return logs;
}
};
struct Data : public Logger
{
Data(int v) : Logger{}, m_value{v} {}
Data(int v) : Logger{}, m_value{v} { }
int value() const { return m_value; }
// MSVC 2013 doesn't support implicit generation of the move constructor and
@ -48,15 +74,9 @@ struct Data : public Logger
// constructor and operator also need to be explicitly defined (error C2280).
// https://stackoverflow.com/a/26581337
Data(const Data& other)
: Logger{other}
, m_value{other.m_value}
{ }
Data(const Data& other) : Logger{other}, m_value{other.m_value} { }
Data(Data&& other) : Logger{std::forward<Data>(other)}
{
std::swap(m_value, other.m_value);
}
Data(Data&& other) : Logger{std::forward<Data>(other)} { std::swap(m_value, other.m_value); }
Data& operator=(const Data& other)
{

43
tests/auto/qtpromise/shared/utils.h
View File

@ -10,54 +10,65 @@
#include <QtPromise>
template <typename T>
template<typename T>
static inline T waitForValue(const QtPromise::QPromise<T>& promise, const T& initial)
{
T value(initial);
promise.then([&](const T& res) {
promise
.then([&](const T& res) {
value = res;
}).wait();
})
.wait();
return value;
}
template <typename T>
static inline T waitForValue(const QtPromise::QPromise<void>& promise, const T& initial, const T& expected)
template<typename T>
static inline T
waitForValue(const QtPromise::QPromise<void>& promise, const T& initial, const T& expected)
{
T value(initial);
promise.then([&]() {
promise
.then([&]() {
value = expected;
}).wait();
})
.wait();
return value;
}
template <typename T, typename E>
template<typename T, typename E>
static inline E waitForError(const QtPromise::QPromise<T>& promise, const E& initial)
{
E error(initial);
promise.fail([&](const E& err) {
promise
.fail([&](const E& err) {
error = err;
return T();
}).wait();
})
.wait();
return error;
}
template <typename E>
template<typename E>
static inline E waitForError(const QtPromise::QPromise<void>& promise, const E& initial)
{
E error(initial);
promise.fail([&](const E& err) {
promise
.fail([&](const E& err) {
error = err;
}).wait();
})
.wait();
return error;
}
template <typename E, typename T>
template<typename E, typename T>
static inline bool waitForRejected(const T& promise)
{
bool result = false;
promise.tapFail([&](const E&) {
promise
.tapFail([&](const E&) {
result = true;
}).wait();
})
.wait();
return result;
}

46
tests/auto/qtpromise/thread/tst_thread.cpp
View File

@ -40,10 +40,12 @@ void tst_thread::resolve()
source = QThread::currentThread();
resolve(42);
});
}}.then([&](int res) {
}}
.then([&](int res) {
target = QThread::currentThread();
value = res;
}).wait();
})
.wait();
QVERIFY(source != nullptr);
QVERIFY(source != target);
@ -62,10 +64,12 @@ void tst_thread::resolve_void()
source = QThread::currentThread();
resolve();
});
}}.then([&]() {
}}
.then([&]() {
target = QThread::currentThread();
value = 43;
}).wait();
})
.wait();
QVERIFY(source != nullptr);
QVERIFY(source != target);
@ -84,11 +88,13 @@ void tst_thread::reject()
source = QThread::currentThread();
reject(QString{"foo"});
});
}}.fail([&](const QString& err) {
}}
.fail([&](const QString& err) {
target = QThread::currentThread();
error = err;
return -1;
}).wait();
})
.wait();
QVERIFY(source != nullptr);
QVERIFY(source != target);
@ -106,12 +112,15 @@ void tst_thread::then()
int value = -1;
QThread* target = nullptr;
QtPromise::resolve(QtConcurrent::run([&](const QPromise<int>& p) {
QtPromise::resolve(QtConcurrent::run(
[&](const QPromise<int>& p) {
p.then([&](int res) {
target = QThread::currentThread();
value = res;
}).wait();
}, p)).wait();
},
p))
.wait();
QVERIFY(target != nullptr);
QVERIFY(source != target);
@ -129,12 +138,15 @@ void tst_thread::then_void()
int value = -1;
QThread* target = nullptr;
QtPromise::resolve(QtConcurrent::run([&](const QPromise<void>& p) {
QtPromise::resolve(QtConcurrent::run(
[&](const QPromise<void>& p) {
p.then([&]() {
target = QThread::currentThread();
value = 43;
}).wait();
}, p)).wait();
},
p))
.wait();
QVERIFY(target != nullptr);
QVERIFY(source != target);
@ -152,13 +164,16 @@ void tst_thread::fail()
QString error;
QThread* target = nullptr;
QtPromise::resolve(QtConcurrent::run([&](const QPromise<int>& p) {
QtPromise::resolve(QtConcurrent::run(
[&](const QPromise<int>& p) {
p.fail([&](const QString& err) {
target = QThread::currentThread();
error = err;
return -1;
}).wait();
}, p)).wait();
},
p))
.wait();
QVERIFY(target != nullptr);
QVERIFY(source != target);
@ -176,12 +191,15 @@ void tst_thread::finally()
int value = -1;
QThread* target = nullptr;
QtPromise::resolve(QtConcurrent::run([&](const QPromise<int>& p) {
QtPromise::resolve(QtConcurrent::run(
[&](const QPromise<int>& p) {
p.finally([&]() {
target = QThread::currentThread();
value = 43;
}).wait();
}, p)).wait();
},
p))
.wait();
QVERIFY(target != nullptr);
QVERIFY(source != target);